See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Conversions and Add-Ons
Add-On Electrical Equipment Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not b ...

Time and Date Settings
From the Time & Date Settings screen button, press to display the Time & Date Settings menu. Set Time: Press the up or down arrows to increase or decrease the Hours and Minutes displa ...