Engine Cooling System Messages
Notice: If you drive the vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. See Engine Overheating for more information.
ENGINE HOT A/C (Air Conditioning) TURNED OFF
This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gauge . To avoid added strain on a hot engine, the air conditioning compressor automatically turns off. When the coolant temperature returns to normal, the air conditioning compressor turns back on. You can continue to drive your vehicle.
If this message continues to appear, have the system repaired by your dealer as soon as possible to avoid damage to the engine.
ENGINE OVERHEATED IDLE ENGINE
This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. See Engine Coolant Temperature Gauge .
See Overheated Engine Protection Operating Mode for information on driving to a safe place in an emergency.
ENGINE OVERHEATED STOP ENGINE
This message displays and a chime sounds if the engine cooling system reaches unsafe temperatures for operation. Stop and turn off the vehicle as soon as it is safe to do so to avoid severe damage. This message clears when the engine has cooled to a safe operating temperature.
See also:
Rear Climate Control System (Rear Climate with Rear Seat Audio)
For vehicles with the rear heat and air conditioning controls, they are integrated
with the rear seat audio controls located in the center console. The system can
be controlled from the front cont ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...
Side Blind Zone Alert
If your vehicle has the Side Blind
Zone Alert (SBZA) system, this
display allows the system to be
turned on or off. Once in this
display, press the set/reset button
to select between ON or O ...






