Audio Players
See also:
Power Seat Adjustment
To adjust a power seat, if equipped:
- Move the seat forward or
rearward by sliding the
horizontal control forward or
rearward.
- Raise or lower the front or rear
part of the seat cushion ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Customer Assistance
Offices (Mexico)
To contact the Customer Assistance
Center (CAC), use the phone
numbers listed in this section.
Customer assistance is available
Monday through Friday, 08:00 to
20:00 hours, and Saturdays from ...






