OnStar Services

See also:

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays a DIC message when it is necessary to change the engine oil and filter. The oil life system should be reset ...

Clock (Digital Clock)
The infotainment system controls are used to access the time and date settings through the menu system. See Operation for information about how to use the menu system. See the separate navigation ma ...

Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. S ...