Engine malfunction (amber)

Illuminates as a bulb check when the ignition is switched on and extinguishes when the engine is started. If the lamp flashes or illuminates at any other time, there is a fault with the engine. ...

Dynamic stability control (DSC) (Amber)

Illuminates briefly as a bulb check when the ignition is switched on. If the lamp flashes while driving, the DSC system is active. If the lamp illuminates continuously while driving, there is a f ...

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 the veh ...

Cruise control
Important safety notes Cruise control maintains a constant road speed for you. It brakes automatically in order to avoid exceeding the set speed. On long and steep downhill gradients, especially i ...

Doing Your Own Service Work
WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. ► Be sure you have sufficient knowledge, experience, t ...