See also:

Unlock Doors
Press the customization button until UNLOCK DOORS: IN PARK appears in the display. To select your preference for automatic unlocking, press the select button while UNLOCK DOORS: IN PARK is dis ...

How to Change the Video Format when inthe Auxiliary Mode
The auxiliary input video format is preset to NTSC. In some countries, the video format may be in the PAL system. To change the video format, perform the following: 1. Press the display menu b ...

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 ...