Black plate (34,1)
Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6014430) - 2014 - CRC - 8/19/13
5-34
Instruments and Controls
Engine Cooling System
Messages
A/C OFF ENGINE
COOLANT HOT
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. The vehicle can continue
to be driven.
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 and a chime
sounds when the engine coolant
temperature is too hot. The engine
coolant temperature warning light
will also be on. Stop and allow the
vehicle to idle until it cools down.
ENGINE OVERHEATED
—
TURN VEHICLE OFF
This message displays and a
continuous chime sounds if the
engine cooling system reaches
unsafe temperatures for operation.
The engine coolant temperature
warning light will flash. 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.
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
,
Driver Information
Center (DIC) on page 11-3
,
Engine
Oil on page 10-11
, and
Maintenance
Schedule on page 11-3
.
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
—
ADD OIL
On some vehicles, this message
displays when the engine oil level
may be too low. Check the oil level
before filling to the recommended
level. If the oil is not low and this
message remains on, take the
vehicle to your dealer for service.
See
Engine Oil on page 10-11
.
OIL PRESSURE LOW
—
STOP
ENGINE
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been