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:
What to Use
Read the manufacturer's instructions before refilling the windshield washer fluid.
If operating the vehicle in an area where the temperature may fall below freezing,
use a fluid that has suffi ...
Folding the Seatback
To fold the second row seatbacks:
1. Remove anything on or under the seat.
2. Place the armrest in the upright position, and unfasten the safety belt.
3. Pull forward on the reclining seatback stra ...
Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
A. Low-Beam Headlamp
B. High-Beam Headlamp
C. Sidemarker Lamp
D. Park/Turn Signal Lamp
To replace one of these bulbs:
1. Turn the tire to reach the access port cap located in the front of wheel ...