OnStar Services

See also:

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

Raising the Seatback
WARNING! If either seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatbacks to be s ...

DSP (Digital Signal Processing) Settings
For vehicles with DSP, it is used to provide a choice of different listening experiences. The DSP settings for the radio with CD are: • normal - Select this setting to adjust the audio for ...