OnStar Services

See also:

eAssist Automatic Engine Start/Stop
WARNING! Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, you or others may be injured. Because the vehicle has the automatic engine start/stop feat ...

Setting the Tone (Bass/Midrange/Treble)
AUDIO: Push and release the AUDIO knob until BASS, MID (midrange) (without Bose®), or TREB (treble) displays. Turn the knob to increase or to decrease the tone. The display shows the bass, midran ...

Filling a Portable Fuel Container
WARNING Never fill a portable fuel container while it is in the vehicle. Static electricity discharge from the container can ignite the fuel vapor. You can be badly burned and the vehicle damaged ...