2025 Maserati Granturismo Warning Lights and Indicator User Guide
This article covers 2025 Maserati GranTurismo Warning Lights & Indicators. Maintaining vehicle performance, safety, and economy requires understanding these signals. Understand dashboard warning lights and how to react.
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Video: 2025 Maserati Granturismo Warning Indicators
Warning and Indicator Lights
Hard Telltales
Following telltales are displayed on the lateral sectors of the instrument cluster.
Airbag Warning Light
This warning light will illuminate for a few seconds for a bulb check when the ignition device is in ON. If the light does not illuminate while starting the engine, stays lit, or switches on while driving, have the system checked at an Authorized Maserati Dealer as soon as possible. For further information, see chapter “Supplemental Restraint System (SRS) -Airbags” in section “Understanding the Vehicle”.
WARNING!
If the warning light remains ON or if it does not illuminate or illuminates while driving, contact your Authorized Maserati Dealer as soon as possible.
Transmission Failure Warning Light
Electric Power Steering Failure Warning Light
This warning light illuminates when the electric power steering is not operating and needs service. If the warning light is on, steering assistance may be not available.
NOTE:
After battery disconnection event, the warning light may be on. In this case, start the engine and perform a steering wheel stroke end to end to switch off the warning light.
If the problem persists, contact an Authorized Maserati Dealer.
Brake Warning Light
This warning light monitors various brake functions, including brake fluid level and parking brake engagement. If the brake warning light illuminates the parking brake may be engaged, the brake fluid level mat be low or a problem with the anti-lock brake system (ABS) reservoir may have occurred. In all the above situations, a related message will be displayed. If the warning light still illuminates when the parking brake has been disengaged, and the fluid level is at the full mark on the master cylinder reservoir, there could be a brake hydraulic system malfunction or a problem with the brake booster detected by the ABS/ESC system.
If this occurs, the warning light will remain lit until the problem has been solved. If the problem concerns the brake booster, the ABS pump will run when engaging the brake and a brake pedal pulsation may be felt during each stop of the vehicle.
Inefficiency of one of the dual brake system cycle is indicated by the brake warning light, which will turn on when the brake fluid level in the master cylinder has dropped below a certain level.
The warning light will remain lit until the problem has been solved. If the brake warning light flashes for 10 seconds with the electric parking brake warning light and the related message on, an EPB system failure has occurred. If a brake failure occurs, visit an Authorized Maserati Dealer as soon as possible in order to check up the brake system. In the event of an Electronic Brake Force Distribution (EBD) failure, both the brake warning light and the ABS light illuminate.
Immediate repair of the ABS system is required. Functioning of the brake warning light can be checked by turning the ignition device from STOP to ON position. The warning light should illuminate for approximately 2 seconds.
The warning light should switch off unless the parking brake is engaged or a brake fault is detected. If the warning light does not illuminate, have the light system overhauled by an Authorized Maserati Dealer. The warning light will also switch on when the parking brake is engaged with the ignition device in ON position. This light only indicates the brake is engaged but not the clamping force of the parking brake to the wheels.
WARNING!
Driving a vehicle with the red brake light on can be very dangerous. Part of the brake system may have failed, resulting in increased braking distances and the risk of an accident. Have the braking system checked as soon as possible at an Authorized Maserati Dealer.
Door Ajar Indicator Light
Electric Parking Brake Failure Warning Light
This warning light and related message illuminate when there is an EPB system failure. The failure could also completely or partially block the vehicle because the parking brake could remain on even after it has been automatically or manually disengaged though its controls. If it is still possible to use the vehicle (parking brake not engaged) drive
to the nearest Authorized Maserati Dealer and remember to perform each operation/command during which the electric parking brake does not work.
Anti-Lock Braking System (ABS) Malfunction Warning Light
This warning light, and its related message, indicate possible malfunctions of the Anti-Lock Brake System (ABS). The warning light will turn on when the ignition device is in ON position and may stay on for 4 seconds. If the ABS warning light remains lit or turns on while driving, the Anti-Lock portion of the brake system is not functioning and requires service. However, the conventional brake system will continue to operate normally if the (US market) or (CDN market) warning light is switched off. If the ABS warning light turns on while driving, or if it does not switch on when the ignition device is in ON position, please visit as soon as possible an Authorized Maserati Dealer in order to restore the Anti-Lock brakes functions.
Active Lane Management (ALM) Fault
Electronic Stability Control (ESC) Activation/Malfunction Indicator Light
The ESC activation/malfunction indicator light on the instrument cluster will display when the ignition device is in ON position.
It should switch off by starting the engine. If the light stays on with the engine running, there is a malfunction in the ESC system.
If the light still stays on after several ignition cycles, and the vehicle has been driven for several kilometers at more than 30 MPH (48 km/h) speed, visit an Authorized Maserati Dealer as soon as possible to have the problem diagnosed and restored.
NOTE:
Each time the ignition device is in ON:
- The ESC OFF indicator light and the ESC activation/malfunction indicator light illuminates temporarily.
- The ESC system will be on, even if it was turned off previously. The ESC system will make buzzing or clicking sounds when active. This is normal; the sounds will stop when ESC becomes inactive by solving the problem that caused the ESC activation.
Electronic Stability Control (ESC) OFF Indicator Light
This indicator notifies that the Electronic Stability Control (ESC) is disabled; the linked message will be displayed.
Forward Collision Warning (FCW) Off
Left Direction Indicator Light
This indicator lights up when the left direction indicators or the hazard lights are turned on. The indicator light will flash at the same frequency of the direction indicators and is controlled by the left multifunction lever. If the indicator flashes at a fast rate, check for a defective exterior light LED.
Right Direction Indicator Light
This indicator lights up when the right direction indicators or the hazard lights are switched on. The indicator light will flash at the same frequency of the turn indicators and is controlled by the left multifunction lever behind the steering wheel. If the indicator flashes at a fast rate, check for a defective exterior light LED.
Red Warning Light
Soft Telltales
Following telltales are displayed in the central sector of the instrument cluster.
Charging System Warning Light
SOS Call Battery Failure Warning Light
This warning light shows the status of the SOS Battery System. If the charging system warning light remains on, it means that the vehicle is experiencing a problem with the charging system. Require service at an Authorized Maserati Dealer.
Engine Coolant Temperature Warning Light
This warning light notifies when the coolant temperature is too high and the engine is overheated. If the coolant temperature reaches critical levels, this warning light will illuminate combined with the related message on display. When the coolant temperature is reaching the set threshold an acoustic signal will be heard. If the warning light switches on while driving, safely pull over and stop the vehicle.
If the A/C system is on, turn it off. Also, shift the transmission into N (Neutral) and idle the vehicle. If the coolant temperature does not return to normal, immediately turn the engine off and contact an Authorized Maserati Dealer. Check “Engine Overheating” in section “In an Emergency” for more information.
Low Oil Pressure Warning Light
Do not operate the vehicle until the problem has been solved. This warning light does not indicate the oil level. If the problem persists, contact an Authorized Maserati Dealer.
Engine Oil Temperature Warning Light
This warning light indicates that the engine oil is overheated. The warning light is combined with the related displayed message.
In this case, drive carefully until the temperature drops back to normal level and the warning light indicator turns off. If the problem persists, contact an Authorized Maserati Dealer.
Overfilling of Engine Oil Warning Light
This warning light and the related displayed message, indicate a too high engine oil level. In this case engine oil level must be checked and reported to the correct level. Contact an Authorized Maserati Dealer to perform this operation.
Airbag Warning Light
WARNING!
If the warning light remains ON or if it does not illuminate or illuminates while driving, contact your Authorized Maserati Dealer as soon as possible.
Seat Belt Reminder Indicator Light
When the ignition device is in ON, the seat belt reminder indicator light will light up for a few seconds as a bulb check. After the bulb check or while driving, with the passenger seated, if driver or passenger seat belt is unbuckled, together with the acoustic signal the seat belt reminder light will light up.
WARNING!
Maserati urges you to use the seat belts correctly fastened and adjusted at all times. Correct use of the seat belts can help reduce the risk of serious injury in the event of an accident. Do not pass seat belts over sharp edges: they could tear. Do not pin anything to the seat belts. This could reduce their initial strength and cause them to tear in the event of a crash. For further information, see chapter “Occupants Restraint Systems (ORS)” in section “Understanding the Vehicle”.
Traffic Sign Assist (TSA) Indicator Lights
Speed limit unconditioned signs (in example: 80 MPH), limiting condition acknowledged (in example: snow), conditioned speed limit signs and overtaking ban are displayed when the TSA function is active. For further information, see “Traffic Sign Assist – TSA” in section “Driving and Driver Assistance Systems”.
Door Failure Warning Light
Electronic Throttle Control (ETC) Indicator Light
This indicator light indicates a failure of the Electronic Throttle Control (ETC) system. If the indicator turns on while driving (a torque decrease is possible), have the system checked by an Authorized Maserati Dealer. When detecting a failure, the light indicator will illuminate while the engine is running. If the indicator remains lit with the engine running, you can still drive your vehicle. However, contact an Authorized Maserati Dealer as soon as possible.
If the indicator is flashing while the engine is running, immediate service is required. You may experience reduced performance, an elevated/rough idle or engine stall and your vehicle may require towing.
Brake Disk Temperature Warning Light
This warning light illuminates in the case of brake discs overheating. In this case, avoid heavy use of brake system until the warning light goes off.
Drowsy Driver Detection (DDD) System Activation
Keyless Start System Failure
This warning light illuminates to signal a failure of the keyless start system. Contact an Authorized Maserati Dealer as soon as possible.
Brake Pads Wear Warning Light
This warning light and the related message indicate that the brake pads have reached their wear limit. Please contact an Authorized Maserati Dealer to have them replaced.
Yellow Indicator Light
Tire Pressure Monitoring Light
The TPMS malfunction warning light is connected to the low tire pressure monitoring light. When the system detects a malfunction, the monitoring light and the related message will flash for approximately one minute and then remain lit. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction lasts.
When the malfunction warning light lights up, the system may not be able to detect or signal low tire pressure correctly. For further information, see chapter “Tire Pressure Monitoring System (TPMS)” in section “Understanding the Vehicle”.
Rear Fog Indicator Light
This indicator lights up when the rear fog lights are switched on.
Electronic Differential (e-DIFF) Fault (Trofeo only)
This warning light indicates a fault on the electronic differential. Contact an Authorized Maserati Dealer as soon as possible.
Transmission Overheating Warning Light
CAUTION!
Continuous driving with the transmission temperature warning light illuminated will eventually cause severe transmission damage or failure.
Low Fuel Indicator Light
When the fuel level reaches approximately 3.17 Gallons (12 liters) this indicator light at the end of the fuel economy dynamic bar, normally white, will turn on in amber, and remain on until fuel is added together with the related message. Refer to “Refueling” in section “Driving and Driver Assistance Systems” for fuel filling.
Ice Hazard Indicator Light
When the external temperature falls below 38°F (3°C), the temperature value blinks for a few seconds, the warning light turns on, a message is displayed and an acoustic signal is triggered to warn the driver of the risk of icy roadbed. Under such conditions, drive carefully and slow down as the grip of the tires may be significantly reduced. The warning light flashes for 5 seconds and switches off when the temperature reaches 43°F (6°C) or higher.
Rain Sensor Failure Warning Light
Park Sensors Failure Warning Light
This warning light illuminates in the case of failure of one or more park sensor. Contact an Authorized Maserati Dealer as soon as possible.
Twilight Sensors Failure Warning Light
This warning light illuminates in the case of failure of the twilight sensor. Turn on the lightsmanually and contact an Authorized Maserati Dealer as soon as possible.
Immobilizer and Antitheft System Warning Light
The warning light can appear:
- to report a failure of the engine immobilizer system. In this case contact an Authorized Maserati Dealer as soon as possible.
- when the ignition device is moved to ON position, to indicate a possible break-in attempt detected by the alarm system.
- when the engine is started and the key fob is not recognized by the system.
- to report an antitheft system failure.
Fuel Filler Cap Open Warning Light
After refueling the car performs a check of the fuel filler cap and this warning light comes on if it is not correctly closed, after approximately 10 minutes also depending on driving conditions. See “Refueling” in section “Driving and Driver Assistance Systems” for more details.
CAUTION!
Do not drive with this warning light on. Check that the fuel filler cap is tightened correctly.
Oil Level Sensor Fault
This warning light illuminates to signal a failure of the sensor that detects the engine oil level. Contact an Authorized Maserati Dealer as soon as possible.
Exterior Lights Failure Warning Light
Headlight Aiming System Failure Warning Light
This warning light, and the related message, indicate a failure of the automatic aiming of the headlight system. Please contact an Authorized Maserati Dealer to check the system.
Advanced Frontlighting System (AFS) Failure Warning Light
This warning light and the related message light up to report a failure of the AFS system. Contact the Authorized Maserati Dealer as soon as possible.
Automatic High Beam Failure Warning Light
Suspension System Failure Warning Light
This warning light illuminates to report a failure of the suspension system. Contact an Authorized Maserati Dealer as soon as possible.
Windshield Wiper Failure Warning Light
This warning light illuminates to indicate a windshield wiper failure. Contact an Authorized Maserati Dealer as soon as possible to have the failure eliminated.
Windshield Washer Low Fluid Indicator Light
AWD Failure Warning Light
This warning light turns on to indicate a fault of the AWD system otherwise a fault or overheating due to excessive wheel spin. Contact an Authorized Maserati Dealer as soon as possible, and avoid using the vehicle in heavy duty conditions.
Temporary AWD Failure Warning Light
The symbol will appear to indicate that the AWD dynamic control system is temporarily deactivated to prevent damage because of high engine load. The traction system will work in RWD mode in this case. Until the symbol appears on the display, reduce the load to allow the system to cool down. The AWD system will resume normal operation when the symbol disappears from the display.
Drowsy Driver Detection (DDD) Failure Warning Light
Suspension Lifter System Failure Warning Light
This warning light illuminates to indicate a failure of the Suspension Lifter system. In this case, avoid using the system and contact an Authorized Maserati Dealer as soon as possible to have the failure eliminated.
Suspension Lifter System Failure Warning Light due to payload
This warning light illuminates to indicate a excessive payload on the suspension lifter system. In this case lighten the vehicle to get the warning light switched off.
Forward Collision Warning (FCW) and Pedestrian Emergency Braking (PEB) Fault
It is nevertheless possible to drive the vehicle without using this function (for further details, refer to “Forward Collision Warning -FCW” in section “Driving and Driver Assistance Systems”).
Active Driving Assist (ADA) Fail
This warning light will turn on to indicate a failure of the ADA system. Contact an Authorized Maserati Dealer as soon as possible avoiding using this system.
Speed Limiter (SL) Failure Warning Light
This warning light illuminates when SL system is not operating or needs servicing. Contact an Authorized Maserati Dealer as soon as possible avoiding to use this system.
Cruise Control (CC) Fault
Adaptive Cruise Control (ACC) Fault
This warning light turns on when ACC is not operating or needs servicing, For further details, refer to “Adaptive Cruise Control – ACC” in section “Driving and Driver Assistance Systems”.
Traffic Sign Assist (TSA) Off
This indicator light illuminates when the Traffic Sign Assist (TSA) is turned off. For further details, see “Traffic Sign Assist (TSA)” in section “Driving and Driver Assistance Systems”.
Traffic Sign Assist (TSA) Fail
Auto Vehicle Hold Fail
This warning light illuminates to indicate a failure of the Auto Vehicle Hold Function. Contact the Service Network to have the system checked. See chapter “Brake and Stability Control Systems” in section “Understanding the Vehicle” for further information.
Start & Stop Failure Warning Light
This warning light illuminates when there is a failure in the Start&Stop system. Switch the engine on or off using the normal procedure with the ignition device START/STOP and have the vehicle checked at an Authorized Maserati Dealer.
Green Indicator Light
Start&Stop Active Indicator Light
Auto Vehicle Hold Indicator Light
The indicator light indicates that the auto vehicle hold function is active. See chapter “Brake and Stability Control Systems” in section “Understanding the Vehicle” for further information.
Speed Limiter (SL) Indicator Light
This white or green indicator light will illuminate when the SL function is on, or set and in driver override (with green set speed below) or temporarily canceled (with white set speed below). For further information, check “Speed Limiter – SL” in section “Driving and Driver Assistance Systems”.
Cruise Control (CC) Set
Adaptive Cruise Control (ACC) Set
This green indicator light with below the set speed turns on when the ACC is set (for further details, refer to “Adaptive Cruise Control – ACC” in section “Driving and Driver Assistance Systems”) and vehicle will keep set speed.
Intelligent Speed Assist (ISA) Set
This green indicator light will illuminate with the set speed when the ISA is set and in driver override. For further information, check “Intelligent Speed Assist – ISA” in chapter “Traffic Sign Assist – TSA” in section “Driving and Driver Assistance Systems”.
Low Beams On Indicator Light
Headlight On Indicator Light
This indicator light will illuminate when the position/DRL lights or headlights are turned on. For further details, see “External Lights Controls” in this section.
White Indicator Light
Auto Low Beams On Indicator Light OFF
This indicator light will illuminate when the automatic low beams headlights are turned off. For further details, see “External Lights Controls” in this section.
Auto High Beams On Indicator Light OFF
Active Lane Management (ALM) OFF
This indicator light will illuminate when the Active Lane Management (ALM) is turned off. For further details, see “Active Lane Management (ALM)” in section “Driving and Driver Assistance Systems”. Cruise
Control (CC) Ready or Canceled
This white indicator light will illuminate when the CC is ready to be set (with 3 dashes below) and, once it sets, when it is temporarily canceled (set speed in white below). For further information, check “Cruise Control – CC” in section “Driving and Driver Assistance Systems”.
Adaptive Cruise Control (ACC) Ready or Canceled
Start&Stop Disable Indicator Light
This indicator light illuminates when Start&Stop system is not available in the conditions described in “Start&Stop Function Disabling” of the “Automatic Start&Stop System” chapter, or the system is turned off through the controls on the right side of the steering wheel or through the relevant soft-key on MIA. See chapter “Automatic Start&Stop System” of section “Driving and Driver Assistance Systems” for further information.
Sport Suspension Setting Indicator Light
This indicator light displays which suspensions setting (sport “S”) is on. For further details, refer to “Drive Mode” in section “Driving and Driver Assistance Systems”.
Hard Suspension Setting Indicator Light
Vehicle Rising Up Indicator Light
This indicator light illuminates during the rising phase of the vehicle. For further information see “Lifter System” in section “Understanding the Vehicle”.
Vehicle Lowering Down Indicator Light
This indicator light illuminates during the lowering phase of the vehicle. For further information see “Lifter System” in section “Understanding the Vehicle”.
Gear Shift Indicator Light
Performance “Launch Control” Running Indicator Light
This indicator lights up when the car is launched in the “Launch Control” performance start procedure. See chapter “Launch Control Mode” in section “Driving and Driver Assistance Systems” for the activation procedure.
Blue Indicator Light
High Beam Indicator Light
This indicator lights up when the high beams are switched on or when blinking. For further details, see “External Lights Controls” in this section.
Auto High Beam Indicator Light ON
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