See also:

Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the gage pointer moves into the red area, the engine coolant has overheated. If you have been operating your vehicle under normal driving c ...

How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwis ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system s ...