OnStar Services

See also:

Radio Messages for XM™ Only
See XM Radio Messages later in this section for further detail. ...

Voice Recognition
The voice recognition system uses commands to control the system and dial phone numbers. Noise: The system may not recognize voice commands if there is too much background noise. When to Spe ...

Front Seats
The vehicle's front seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to ...