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Engine Coolant Heater - GMC Terrain Denail Manual

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Power to the power windows and
sunroof will continue to operate for
up to 10 minutes or until any door is
All these features will work when the
key is in ON/RUN or ACC/

Engine Coolant Heater

The engine coolant heater,
if available, can help in cold weather
conditions at or below 18°C (0°F)
for easier starting and better fuel
economy during engine warm-up.
Plug in the coolant heater at least
four hours before starting the
vehicle. An internal thermostat in
the plug-end of the cord will prevent
engine coolant heater operation at
temperatures above 18°C (0°F).
To Use The Engine Coolant
1. Turn off the engine.
2. Open the hood and unwrap the
electrical cord.
The electrical cord is located
on the passenger side of the
engine compartment, in front of
the air cleaner.
Check the heater cord for
damage. If it is damaged, do
not use it. See your dealer for
a replacement. Inspect the
cord for damage yearly.
3. Plug it into a normal, grounded
110-volt AC outlet.
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
Plug the cord into a
three-prong electrical utility
receptacle that is protected
by a ground fault detection
Driving and Operating
Warning (Continued)
function. An ungrounded
outlet could cause an
electric shock.
Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
it overheat and cause a fire,
property damage, electric
shock, and injury.
Do not operate the vehicle
with the heater cord
permanently attached to the


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This manual is also suitable for:

TerrainTerrain 2016Terrain denali 2016

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  • Malia Nunez Nov 16, 2017 02:47:
    2010 GMC Terrain L4 Engine. This morning the service power steering display lit up. What type of power steering fluid would you recommend if required?

    Thank you,
    Malia Nunez