Conversions and Add-Ons

See also:

Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM—FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has ...

Recommended Fuel
Use premium unleaded gasoline with a posted octane rating of 91 or higher. You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slig ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system ...