See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Steering Column Shift Lever
If the vehicle has a steering column shift lever, use this procedure to shift the vehicle into P (Park): 1. Hold the brake pedal down. 2. Move the shift lever into P (Park) by pulling the shift ...

Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier. • Press to answer an incoming call when another call is active. The original call is placed ...