Blazer Chevrolet

Chevrolet Blazer 2023 HD Radio Technology User Guide

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Chevrolet Blazer 2023 HD Radio Technology User Guide

If equipped, HD Radio is a free service with features such as digital quality sound, more stations available on a single frequency such as HD2 and HD3, and display information such as artist and song title. From the Now Playing display, touch the HD Radio icon to turn HD on or off.

Station Access
To access HD Radio stations:

  1. Radio is turned on and the station is broadcasting in HD Radio, the radio will automatically tune to the HD version of the current channel (HD1) after several seconds. The radio will also display icons representing additional channels (HD2, HD8), that may be available. When the radio successfully tunes to a HD station, the HD logo will display and digital audio will play.
  2. Touch the display arrows to tune to the previous or next HD Radio station. There may be a delay before the station starts playing.
  3. The HD Radio station number is indicated next to the HD logo. HD Radio stations can be saved as favorites. For a list of all stations, see

HD Radio Troubleshooting

Digital Audio Delay
 Wait for the signal to the process. This can take several seconds. Volume Change, Audio Skip, Echo, Digital.

Audio Lost
Station signal strength may be weak, the station is out of range, or the station may be out of alignment. Verify proper reception on another station.
If the HD Radio signal weakens while listening to HD1, the radio will automatically switch to the analog version of the radio station.

If the HD Radio signal loses reception while listening to stations HD2 to HD8, the radio mutes until the signal can be recovered or until the station is changed. HD Radio can be disabled if driving in a weak signal area. Touch HD Radio On/Off to toggle HD Radio reception on and off.

Radio Data System (RDS)
RDS relies on receiving specific RDS information from radio stations and only works when the information is available. It is possible that a radio station could broadcast information that causes the radio to work improperly. In addition, RDS features are region and country of sale specific. This means specific RDS content may not be available in your listening area or in the country you operate the vehicle. To turn RDS features on or off, select

Settings > Apps> Audio> RDS> Select

ON or OFF.
The following core and region specific RDS features may be supported by radio broadcasters in your listening area:

Core RDS features

  • Display radio station call letters
  • Display messages from radio stations
  • Provide radio station category information (when available)Region Specific RDS features
  • Support Traffic Program (TP) Alerts
  • Support Alternate Frequency (AF)Switching
  • Support Region Switching
    Satellite Radio
    Sirius XM Radio Service
    If equipped, vehicles with a valid Sirius XM radio subscription can receive Sirius XM programming.
    Sirius XM radio has a wide variety of programming and commercial-free music, coast to coast, in digital-quality sound. In the U.S., see or call 1-888-601-6296. In Canada, see or call 1-877-438-9677. When Sirius XM is active, the channel name, number, song title, and artist appear on the display.

Sirius XM with 360L

Sirius XM with 360L interface has enhanced the in-vehicle listening experience for subscribers. The experience now offers more categories and system-learned recommendations toward discovering more personalized content. To use the full Sirius XM 360L program, including streaming content and listen to recommendations, OnStar Connected Access is required. Connected vehicle services vary by model and require a complete working electrical system, cell reception, and GPS signal. An active connected plan is required. Reference the Sirius XM user guide for use and subscription information.

Radio Reception

Unplug electronic devices from the accessory power outlets if there is interference or static in the radio.


FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially around tall buildings or hills, causing the sound to fade in and out.


The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. Static can also
occur when things like storms and power lines interfere with radio reception. When this happens, try reducing the treble on the radio.

Sirius XM Satellite Radio Service

If equipped, Sirius XM Satellite Radio Service provides digital radio reception. Tall buildings or hills can interfere with satellite radio signals, causing the sound to fade in and out. In addition, traveling or standing under heavy foliage, bridges, garages, or tunnels may cause loss of the Sirius XM signal for a period of time. Some cellular services may interfere with SXM reception causing loss of signal.

Mobile Device Usage

Mobile device usage, such as making or receiving calls, charging, or just having the mobile device on may cause static interference in the radio. Unplug the mobile
device or turn it off if this happens.

Multi-Band Antenna

The multi-band roof antenna may be used for radio, navigation, and other communication systems, depending on the equipped options. To ensure clear reception,
keep the antenna clear of obstructions, such as snow and ice. If the vehicle has a sunroof, and it is open, or a roof loaded with cargo, reception may be affected.

Audio Players

Avoiding Untrusted Media Devices When using media devices such as USB and mobile devices, consider the source. Untrusted media devices could contain files
that affect system operation or performance and should be avoided.

Chevrolet Blazer 2023 Top Accessories

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Reference Links

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