Engine Cooling System Messages
ENGINE HOT A/C (AIR CONDITIONING) 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 the 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
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.
Do not increase the engine
speed above normal idling speed.
See Engine Overheating for more information.
This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. If the message does not clear in a few minutes or if the overheat light stays on, shut the vehicle off and have it serviced before driving again.
See Engine Coolant Temperature Warning Light.
See Overheated Engine Protection Operating Mode for information on driving to a safe place in an emergency.
See also:
Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels
off the ground. Care must be taken with vehicles that have low ground clearance
and/or special equipment. Always ...
Introduction
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appearing in this manual including, but not limited to, GM, the GM logo, CADILLAC,
the CADILLAC Crest and Wreath ...
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