See also:

Under the Hood
GM's two-mode hybrid system enables "full" hybrid operation with the capability to cruise on electric power up to 30 mph. The gas engine kicks in if more acceleration is needed, as well ...

Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information. WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing eno ...

Security Light
The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer ...