Cadillac 2009 DTS, Owner'S Manual

Page: 215 / 462

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 Gage on page 3-60.
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/retailer as soon as possible
to avoid damage to the engine.
ENGINE OVERHEATED IDLE ENGINE
Notice: If you drive your 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
on page 5-28 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. See Engine Coolant
Temperature Warning Light on page 3-59.
See Overheated Engine Protection Operating Mode on
page 5-30 for information on driving to a safe place
in an emergency.
ENGINE OVERHEATED STOP ENGINE
Notice: If you drive your 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 on page 5-28
for more information.
This message displays when the engine has overheated.
Immediately look for a safe place to pull your vehicle
over and turn the engine off right away to avoid severe
engine damage. See Engine Overheating on page 5-28
and Overheated Engine Protection Operating Mode
on page 5-30. A chime also sounds when this message
is displayed.
3-75