OnStar Services
See also:
Navigation System
The navigation system provides detailed maps of most major freeways and roads
throughout the United States and Canada. After a destination has been set, the system
provides turn-by-turn instructio ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
engine power is being reduced to
protect the engine from damage.
There could be several malfunctions
that might cause this message.
Redu ...