OnStar

See also:

Exterior Lighting
The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel. Turn the control to the following positions: : Turns off the exterior lamps. The kn ...

Turn Signal/Multifunction Lever
The lever on the left side of the steering column includes the following: : Turn and Lane-Change Signals : Headlamp High/Low-Beam Changer : Windshield Wipers : Windshield Washer Flash-To- ...

Driving On Grades
Reduce speed and shift to a lower gear before you start down a long or steep downgrade. If you don’t shift down, you might have to use your brakes so much that they would get hot and no longer w ...