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.
Reduced engine power can affect the vehicle's ability to accelerate.
If this message is on, but there is no reduction in performance, proceed to your destination.
The performance may be reduced the next time the vehicle is driven.
The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, take the vehicle to your dealer for service as soon as possible.
See also:
Brakes
This vehicle has disc brakes. Disc brake pads have built-in wear indicators that
make a high-pitched warning sound when the brake pads are worn and new pads are
needed. The sound can come and go o ...
Vehicle Storage
Tires age when stored normally mounted on a parked vehicle. Park a vehicle that
will be stored for at least a month in a cool, dry, clean area away from direct
sunlight to slow aging. This area sh ...
Place a Call Using a Stored
Number
1. Push . System responds:
“OnStar ready.”.
2. Say “Call <name tag>.”.
System responds: “OK,
calling <name tag>.” ...






