Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overheating for further information.
This message also displays when the engine power is reduced. 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, the vehicle should be taken to your dealer for service as soon as possible.
See also:
Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
Check to see if coolant is visible in the coolant surge tank. If the coolant
inside the coolant surge tank is boiling, do no ...
Theft-Deterrent Feature
The theft-deterrent feature works by learning a portion of the Vehicle
Identification Number (VIN) to the infotainment system.
The infotainment system does not operate if it is stolen or moved to ...
Cabin Luxury
The redesigned 2008 CTS was one of the prime examples of GM's renewed
commitment to interior quality, and the design has held up well over the past
few years; it still looks modern and inviting in ...






