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:
Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the
road as a 2008 model, and it's still competitive against newer entrants like the
535i and M37. Among the highlights are ...
Airbag Readiness Light
This light shows if there is an
electrical problem with the airbag
system. The system check includes
the airbag sensor(s), passenger
sensing system, the pretensioners,
the airbag modules, th ...
Securing an Add-On Child Restraint in the Vehicle
WARNING
A child can be seriously injured or killed in a crash if the child restraint is
not properly secured in the vehicle. Secure the child restraint properly in the
vehicle using the vehicle sa ...






