Engine Cooling System - GMC 2012 Terrain Owner's Manual

5-28 Instruments and Controls

Engine Cooling System

Messages
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when
the engine coolant becomes
hotter than the normal operating
temperature. 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.
COOLANT LEVEL LOW ADD
COOLANT
This message will display if the
coolant is low. See Engine Coolant
on page 10 17.
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.
ENGINE
OVERHEATED STOP
ENGINE
This message displays and a
continuous 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.
HIGH COOLANT
TEMPERATURE
This message displays if the coolant
temperature is hot. See Engine
Overheating on page 10 21.
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil,
be sure to reset the Oil Life System.
See Engine Oil Life System on
page 10 13 and Driver Information
Center (DIC) on page 5 23 for
information on how to reset the
system. See Engine Oil on
page 10 10 and Maintenance
Schedule on page 11 3 for
more information.
ENGINE OIL HOT, IDLE
ENGINE
This message displays when the
engine oil temperature is too hot.
Stop and allow the vehicle to idle
until it cools down.
ENGINE OIL LOW
This message displays when the
engine oil level is too low. Check
the oil level. See Engine Oil on
page 10 10.
ADD OIL