See also:

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 ...

Up-Shift Light
Vehicles with a manual transmission have an up–shift light on the instrument panel. This light shows when to shift to the next higher gear for the best fuel economy. When this light comes o ...

Speed and Curve Assist
This display will show the speed limit or the advised speed as determined by the information provided by the navigation system. The map database loaded in the navigation system may need to be upda ...