OnStar Services
See also:
How to Check AutomaticTransmission Fluid
Because this operation can be a little difficult, you
may choose to have this done at the dealership
service department.
If you do it yourself, be sure to follow all the
instructions here, or yo ...
License Plate Lamp
To replace one of these bulbs:
1. Remove the license plate.
2. Reach up through the opening above the license
plate to access the two license plate lamps.
3. Turn the socket counterclockwise to r ...
Lumbar Adjustment
To adjust the lumbar support:
► Press and hold the front or rear of the control to increase or decrease lumbar support.
► Press and hold the top or bottom of the control to raise or lo ...
