See also:

Accessories and Modifications
When you add non-GM accessories to your vehicle they can affect your vehicle’s performance and safety, including such things as, airbags, braking, stability, ride and handling, emissions systems, ...

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

Clock (Radio with CD and Touchscreen)
The infotainment system controls are used to access the time and date settings through the menu system. See Overview (Radio with CD) or Overview (Radio with CD/DVD and MEM) or Overview (Radi ...