Cadillac CT5 2023 Keys and Locks User Guide

Keys, Doors, and Windows

Keys and Locks

Keys

Warning
Leaving children in a vehicle with a remote key is dangerous and children or others could be seriously injured or killed. They could operate the power windows or other controls or make the vehicle move. The windows will function with the remote key in the vehicle, and children or others could be caught in the path of a closing window. Do not leave children in a vehicle with a remote key.

The key inside the remote key is used for the driver door and glove box. To remove the mechanical key, press the button on the side of the remote key near the bottom, and pull the mechanical key out. Never pull the mechanical key out without pressing the button. If it becomes difficult to turn the key, inspect the key blade for debris. Periodically clean with a brush or pick. See your dealer if a new mechanical key is needed. Contac Roadside Assistance if locked out of the vehicle. See Roadside Assistance Program 0 385. With an active OnStar or connected service plan, an OnStar Advisor may remotely unlock the vehicle. See OnStar Overview 394.

Remote Key

See Radio Frequency Statement 0 390. If there is a decrease in the remote key operating range: Check the distance. The remote key may be too far from the vehicle.
Check the location. Other vehicles or objects may be blocking the signal.
Check the remote key battery. See “Battery Replacement” later in this section.
If the remote key is still not working correctly, see your dealer or a qualified technician for service.

Remote Key Operation

The Keyless Access system allows for vehicle entry when the remote key is within 1 m (3 f t). See “Keyless Access Operation” later
in this section. The remote key functions may work up to 60 m (197 f t) away from the vehicle. Other conditions can impact the performance of the remote key. See Remote Key 0 7.

Press to lock all doors and the fuel door, if equipped. The turn signal indicators may flash and/or the horn may sound on the second press to indicate locking. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”. Pressing Q may also arm the alarm system. See Vehicle Alarm System 0 21.
If equipped with remote folding mirrors, double pressing and holding Q on the remote key may fold the mirrors. See Folding Mirrors 0 25.
K : Press to unlock the driver door and the fuel door, if equipped. Press again within five seconds to unlock all doors. The remote key can be programmed to unlock all doors on the first button press. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”. When remotely unlocking the vehicle at night, the headlamps and back-up lamps may come on for about 30 seconds to light your approach to the vehicle. The turn signal indicators may flash to indicate unlocking. Pressing K will disarm the alarm system. See Vehicle Alarm System 0 21. Double press and hold K for about three seconds to remotely open the windows, if enabled. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select Vehicle” to display the list of available options and select “Remote Lock, Unlock,
Start”.
If equipped with remote folding mirror, double pressing and holding K on the remote key may unfold the mirrors. See Folding Mirrors 0 25.
Press S twice to start the engine from outside the vehicle using the remote key. See Remote Vehicle Start 0 12. Press and release one time to initiate vehicle locator. The exterior lamps flash and the horn chirps three times. Press and hold 7 for more than three seconds to sound the panic alarm. The horn sounds and the turn signal lamps flash for 30 seconds, or until 7 is pressed again or the vehicle is started. Press twice to release the trunk.

Keyless Access Operation

The Keyless Access system lets you lock and unlock the doors and access the trunk without removing the remote key from your pocket, purse, briefcase, etc. The remote key must be within 1 m (3 f t) of the trunk or door being opened. The button is on the outside door handle. The Keyless Access system can be programmed to be turned off or to unlock all doors on the first door handle press from the driver door. Keyless unlocking can also be turned off. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”. If equipped with memory seats, remote keys 1 and 2 are linked to seating positions of memory 1 or 2. See Memory Seats 0 38.

Keyless Unlocking/Locking from the Driver Door

When the doors are locked and the remote key is within 1 m (3 f t) of the door handle, pressing the door handle button on the inside of the driver door handle will unlock the driver door. If the door handle button is pressed again within five seconds, all passenger doors will unlock. If equipped with remote folding mirror, pressing the driver door handle button may fold and unfold the mirrors. See Folding Mirrors 0 25.

Pressing the door handle button will cause all doors to lock if any of the following occur:

It has been more than five seconds since the first door handle button press.
Two door handle button presses were used to unlock all doors.
Any vehicle door has opened and all doors are now closed.

Keyless Unlocking/Locking from the Passenger Doors

When the doors are locked and the remote key is within 1 m (3 f t) of the door handle, pressing the door handle button on a the passenger door handle will unlock all doors. Pressing the door handle button will cause all doors to lock if any of the following occur:
The door handle button was used to unlock all doors.
Any vehicle door has opened and all doors are now closed.

Disable/Enable Keyless Unlocking of Exterior Door Handles and Trunk
If equipped, keyless unlocking of the exterior door handles and trunk can be disabled and enabled.

Disabling Keyless Unlocking:
With the vehicle off, press and hold Q and K on the remote key at the same time for approximately four seconds. The turn signal lamps will flash four times quickly to indicate access is disabled. Using any exterior handle to unlock the doors or open the trunk will cause the turn signal lamps to flash four times quickly, indicating access is disabled. If disabled, disarm the alarm system before starting the vehicle. Disabling Keyless Unlocking may also be configured under Vehicle settings. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.

Enabling Keyless Unlocking:
With the vehicle off, press and hold Q and K on the remote key at the same time for approximately four seconds. The turn signal lamps will flash twice quickly to indicate access is enabled. Enabling Keyless Unlocking may also be configured under Vehicle settings. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.

Passive (Walkaway) Locking
The Keyless Access system will lock the vehicle several seconds after all doors are closed if the vehicle is off and at least one remote key has been removed or none remain in the vehicle. If equipped, the fuel door will also lock. If other electronic devices interfere with the remote key signal, the vehicle may not detect the remote key inside the vehicle .If passive (walkaway) locking is enabled, the doors may lock with the remote key inside the vehicle. Do not leave the remote key in an unattended vehicle. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Power Door Locks”. If equipped with remote folding mirror, passive (walkaway) locking may fold the mirrors. See Folding Mirrors 0 25.

Temporary Disable of Passive (Walkaway)Locking
Temporarily disable passive locking by pressing and holding K on the interior door switch with a door open for at least four seconds, or until three chimes are heard. Passive (walkaway) locking will then remain disabled until the vehicle is turned on.

Remote Key Left In Vehicle Alert
When the vehicle is turned off and a remote key is left in the vehicle, the horn will chirp three times after all doors are closed. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.

Remote Key No Longer In Vehicle Alert
If the vehicle is on, with a door open, and then all doors are closed, the vehicle will check for a remote key inside. If a remote key is not detected, the Driver Information Center (DIC) will display NO KEY FOUND and the horn will chirp three times. This occurs only once each time the vehicle is driven. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.

Keyless Trunk Opening
Press the touch pad on the rear of the trunk above the license plate if the remote key is within 1 m (3 f t).

Mechanical Key Access
To access a vehicle with a weak remote key battery, see Door Locks 0 13.

Programming Remote Keys to the Vehicle

Only remote keys programmed to the vehicle will work. If a remote key is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be reprogrammed so that lost or stolen remote keys no longer work. Each vehicle can have up to eight remote keys
matched to it.

Starting the Vehicle with a Low Remote Key Battery

For improved vehicle security, the remote key is equipped with a motion sensor. When starting the vehicle, if the remote key has been idle for a while, the DIC may display KEY IN SLEEP MODE, MOVE KEY, THEN START. Move the remote key slightly and try starting the vehicle. When starting the vehicle, if the remote key battery is depleted or there is signal interference, the DIC may display NO KEY FOUND, REPLACE BATTERY IN KEY or NO REMOTE KEY WAS DETECTED PLACE KEY IN KEY POCKET THEN START YOUR VEHICLE, follow the steps shown below:

Place the remote key into the rear cupholder.
With the vehicle in P (Park) or N (Neutral) press the brake pedal and ENGINE START/STOP. Replace the remote key battery as soon as possible.

Battery Replacement

Warning
Never allow children to play with the remote key. The remote key contains a small battery, which can be a choking hazard. If swallowed, internal burns can occur, resulting in severe injury or death. Seek medical attention immediately if a battery is swallowed.

Warning
To avoid personal injury, do not touch metal surfaces on the remote key when it has been exposed to extreme heat. These surfaces can be hot to the touch at temperatures above 59 °C (138 °F).

Caution
When replacing the battery, do not touch any of the circuitry on the remote key. Static from your body could damage the remote key.

Caution
Always replace the battery with the correct type. Replacing the battery with an incorrect type could potentially create a risk of a battery explosion. Dispose of used batteries according to instructions and local laws. Do not attempt to burn, crush, or cut the used battery, and avoid exposing the battery to environments with extremely low air pressures or high temperatures.

Caution
If the remote key is not reassembled properly, liquids could enter the housing and damage the circuitry, resulting in a remote key malfunction and/or failure. To prevent damage, always follow the steps for remote key reassembly in this manual to ensure the remote key is sealed properly whenever the remote key is opened. Replace the battery if the DIC displays REPLACE BATTERY IN KEY.

Press the button on the side of the remote key and pull the mechanical key out. Never pull the mechanical key out without pressing the button.
Use the mechanical key blade in the slot to remove the battery cover by hand.
Remove the seal by pulling on the tab to access the battery.
Remove the old battery. Do not use a metal object.
Insert the new battery, the positive side toward the back cover. Replace with a CR2450 or equivalent battery.
Place the seal back into the groove around the battery compartment.
Reassemble the battery cover by snapping it back on the remote key.
Reinsert the mechanical key.

Remote Vehicle Start

This feature allows the engine to be started from outside the vehicle. It is not available on vehicles with a manual transmission. This button on the remote key is for remote start. The climate control system will use the previous settings during a remote start. The rear window defogger may come on during remote start based on cold ambient conditions. The rear defogs indicator light does not come on during remote start. If equipped, the heated and ventilated front seats may also come on when the vehicle personalization setting is enabled. See Heated and Ventilated Front Seats 0 40. If equipped with a remote start heated steering wheel, it may come on during a remote start. See Heated Steering Wheel 0 83. Laws in some local communities may restrict the use of remote starters. For example, some laws may require a person using remote start to have the vehicle in view. Check local regulations for any requirements.

If your vehicle is low on fuel, do not use the remote start feature. The vehicle may run out of fuel. The remote key range may be shorter while the vehicle is running. Other conditions can affect the performance of the remote key. See Remote Key 0 7. You are allowed multiple starts totaling 30 minutes of engine run time. The maximum run time of a single start is 15 minutes, and it will shut off automatically. You could do three 10-minute starts if you manually shut off after 10 minutes. The last 10-minute start would shut off automatically as your total 30 minutes will have been used.

Starting the Engine Using Remote Start

Press S twice on the remote key. The turn signal lamps will flash. The lamps flash to confirm the request to remote start the vehicle has been received. During the remote start, the parking lamps will remain on as long as the engine is running.
The engine will shut off after 15 minutes or after the remainder of the 30-minute total running time is used unless you stop the remote start before the engine running has completed or the vehicle is turned on.
Press the brake pedal and turn the ignition on to drive the vehicle.

Additional Engine Run Time

Remote start can be used for up 3t0o minutes of total engine run time. After two remote starts of 15 minutes or multiple shorter time starts totaling 30 minutes have been used, the vehicle must be started and then turned off before the remote start can be used again.

Canceling a Remote Start

To cancel a remote start, do any of the following:
Press S once. The parking lamps will turn off.
Turn on the hazard warning flashers.
Turn the vehicle on and then back off.

Conditions in Which Remote Start Will Not Work

The remote start will not operate if any of the following occur:

The ignition is in any mode other than off..
A remote key is in the vehicle.
The hood is not closed.
The hazard warning flashers are on.
There is an emission control system malfunction.
The engine coolant temperature is too high.
The oil pressure is low.
The 30 minutes of engine run time have been used.
The vehicle is not in P (Park)
Door Locks

Warning
Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The doors can be unlocked and opened while the vehicle is moving. The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked.
So, all passengers should wear seat belts properly and the doors should be locked whenever the vehicle is driven. (Continued)

Warning
Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock the vehicle whenever leaving it. Outsiders can easily enter through an unlocked door when you slow down or stop the vehicle. Locking the doors can help prevent this from happening.

Always take your remote key with you when exiting the vehicle to prevent being locked out. To lock or unlock the doors from outside the vehicle

Press Q or K on the remote key. See Remote Key Operation 0 7.
Use the mechanical key in the driver’s door. The key lock cylinder is covered with a cap. See “Driver Door Key Lock Cylinder Access (In Case of Dead Battery)” later in this section. To lock or unlock the doors from inside the vehicle
Press Q or K on the power door lock switch.
Pull the front door handle once to open the door. Pull the rear door handle once to unlock and once more to open the door. Keyless Access

Keyless Access

The remote key must be within 1 m (3 f t) of the trunk or door being opened or locked. To unlock and unlatch any door, press the release button on the inside grip area of the outside door handle. Touch the sensor on the front outside door handle to lock. See “Keyless Access Operation” in Remote Key Operation 0 7. Driver Door Key Lock Cylinder Access (In Case of Dead Battery) To access the driver door key lock cylinder and unlatch the door.

Insert the mechanical key into the slot at the bottom of the handle and push upward all the way until the cover frees. Do not pry or pull on the key.
Remove the cover.
Insert the mechanical key in the cylinder.
Turn the mechanical key clockwise until it stops.
Slowly turn the mechanical key counterclockwise while pulling the handle to unlatch the door.
Repeat steps 4 and 5 if the door does not fully open.

To replace the cap:

Align the top edge of the cover to the handle.
Turn downward to snap the cover into position.
Check to ensure the cap is fully seated.

Free-Turning Locks
The door key lock cylinder turns freely when either the wrong key is used, or the correct key is not fully inserted. The free-turning door lock feature prevents the lock cylinder from being forced open. To reset the lock cylinder, ensure the correct key is fully inserted into the lock cylinder. Rotate the key until you feel the lock cylinder click back into place. Remove the key and reinsert fully, rotate the key to unlock the vehicle.

Power Door Locks

Press to lock the doors. The indicator light in the switch will illuminate when locked Press to unlock the doors.
If equipped, the fuel door is also locked or unlocked using these features.

Delayed Locking

This feature delays the actual locking of the doors until five seconds after all doors are closed. When Q is pressed on the power door lock
switch with the door open, a chime will sound three times indicating that delayed locking is active. The doors will then lock automatically five seconds after all doors are closed. If a door is reopened before five seconds have elapsed, the five-second timer will reset once all the doors are closed again. Press Q on the door lock switch again, or press Q on the key, to override this feature and lock the doors immediately. Delayed locking can be programmed. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Power Door Locks”.

Automatic Door Locks

The doors will lock automatically when all doors are closed, the ignition is on, and the vehicle is shifted out of P (Park). If a vehicle door is unlocked, and then opened and closed, the doors will lock either when your foot is removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph).

To unlock the doors:

Press K on the power door lock switch.
Shift the transmission into P (Park).
Automatic door locking cannot be disabled. Automatic door unlocking can be programmed. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Power Door.

Lockout Protection

If the vehicle is on or in accessory mode and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for keys inside. If any remote key programmed to the vehicle is detected and the number of keys inside has not reduced, the driver door will unlock and the horn will chirp three times. Lockout Protection can be manually overridden with the driver door open by pressing and holding Q on the power door lock switch.

Safety Locks

Manual Safety Locks

The safety lock is on the inside edge of the rear doors.

To use the safety lock:

Move the lever forward to the lock position.
Close the door.
Repeat for the other rear door.

To open a rear door when the safety lock is on:

Unlock the door by activating the inside handle, by pressing the power door lock switch, or by using the remote key.
Open the door from the outside. When the safety lock is enabled, adults and older children will not be able to open the rear door from the inside. Cancel the safety locks to enable the doors to open from the inside.

To cancel the safety lock:

Unlock the door and open it from the outside.
Move the lever rearward to unlock Repeat for the other door.

Doors

Trunk
Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death. If the vehicle must be driven with the liftgate or trunk/hatch open:

If the vehicle must be driven with the liftgate or trunk/hatch open:

Close all of the windows.
Fully open the air outlets on or under the instrument panel.
Adjust the climate control system to a setting that brings in only outside air and set the fan speed to the highest setting. See “Climate Control Systems” in the Index.
If the vehicle is equipped with a power liftgate, disable the power liftgate function. See Engine Exhaust 0 214.

Manual Trunks

To release the trunk, the vehicle must be off or in P (Park)

Press on the driver’s door.
Press X twice quickly on the remote key.

Cadillac Top Accessories

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Reference Links

View Full User Guide: Cadillac CT5 2023 User Guide

Download Manuals: https://www.cadillac.com/support/vehicle/manuals-guide