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 ...

Cruise Control Light
This light comes on whenever the cruise control is active. The light goes out when the cruise control is turned off. See Cruise Control for more information. ...

Oil Life Remaining
If the vehicle has this display, it shows the estimated oil life remaining. If you see 99% Oil Life Remaining on the display, that means that 99% of the current oil life remains. When the o ...