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 Seats
The vehicle's second-row seats have head restraints in the outboard seating positions
that cannot be adjusted.
The vehicle's third-row seats, if equipped, have adjustable headrests in the
...
Tachometer
The tachometer displays the
engine speed in revolutions per
minute (rpm).
Notice: If the engine is operated
with the tachometer in the shaded
warning area, the vehicle could
be damaged, and ...
Trailer Towing
(CTS-V and Coupe)
The vehicle is neither designed nor
intended to tow a trailer. ...






