Engine Cooling System; Messages; Engine Oil Messages - Cadillac CTS 2013 Owner's Manual

5-36 Instruments and Controls

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 on page 5 16. 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 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 10 21 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 on page 5 25.
See Overheated Engine Protection
Operating Mode on page 10 22 for
information on driving to a safe
place in an emergency.

Engine Oil Messages

CHANGE ENGINE OIL SOON
When this message displays, it
means that service is required for
the vehicle. See your dealer. See
Scheduled Maintenance on
page 11 1 and Engine Oil on
page 10 9 for more information.
When you reset the Change Engine
Oil Soon message by clearing it
from the display, you still must reset
the engine oil life system separately.
For more information on resetting
the engine oil life system, see
Engine Oil Life System on
page 10 11.
ENGINE OIL LOW ADD OIL
On some vehicles, this message
displays if the oil level in the vehicle
is low. Check the oil level before
filling to the recommended level.
You may need to let the vehicle cool
or warm up and cycle the ignition to
be sure this message clears. If the