See also:

Setting the Clock (Radio with CD and Touchscreen)
The clock is in the center stack display. To set the time: 1. Press the CONFIG button to enter the menu options or press . Turn the TUNE/MENU knob to scroll through the available setup features. ...

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 ...

Speed Variable Assist Steering
Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle. The amount of steering effort required is less at slower s ...