Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Safety Belts
Refer to the following sections for important information on how to use safety
belts properly:
Safety Belts .
How to Wear Safety Belts Properly .
Lap-Shoulder Belt .
Lower Anchors and Te ...
Head Restraints
The vehicle's front and rear seats
have adjustable head restraints in
the outboard seating positions.
WARNING!
With head restraints that are not
installed and adjusted properly,
there is a g ...
Recalling Button Memory
Positions
To recall the manually saved Button
Memory positions, press and hold
“1” or “2.” The driver seat and
outside mirrors move to the
positions stored to those buttons
when pressed. Relea ...