2018 GMC TERRAIN air filter

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
160 Climate Controls
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . 160
Dual Automatic ClimateControl System . . . . . . . . . . . . . 162
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . 165
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . 165
Service . . . . . . . . . . . . . . . . . . . . . . . 167
Climate Control Systems
With this system the heating, cooling, and ventilation in the vehicle can be
controlled.
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Defrost
5. TEMP (Temperature Control)
6. Rear Window Defogger
7. Air Recirculation9: Turn clockwise or
counterclockwise to increase or
decrease the fan speed or turn the
fan off.
TEMP : Turn the knob clockwise or
counterclockwise to increase or
decrease the temperature.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Climate Controls 165
Air Vents
Use the louvers located on the air
vents to change the direction of the
airflow.
To open or close off the airflow:
.On the center air vents, move
the slider knobs up or down.
. On the outer and rear air vents,
move the slider knobs right
or left.
Operation Tips
. Clear away any ice, snow,
or leaves from air inlets at the
base of the windshield that could
block the flow of air into the
vehicle. .
Clear snow off the hood to
improve visibility and help
decrease moisture drawn into
the vehicle, which may improve
long term system performance.
. Keep the path under the front
seats clear of objects to help
circulate the air inside of the
vehicle more effectively.
. Use of non-GM approved hood
deflectors can adversely affect
the performance of the system.
Check with your dealer before
adding equipment to the outside
of the vehicle.
. Do not attach any devices to the
air vent slats. This restricts
airflow and may cause damage
to the air vents.
Maintenance
Passenger Compartment
Air Filter
The filter removes dust, pollen, and
other airborne irritants from outside
air that is pulled into the vehicle.
The filter should be replaced as part
of routine scheduled maintenance.
See Maintenance Schedule 0353.
To find out what type of filter to use,
see Maintenance Replacement
Parts 0362.
1. Open the glove box.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
166 Climate Controls
2. Disconnect the glove box doordamper (1) from the glove box
door assembly by squeezing
the pivot (2) to release the
damper ring.3. Squeeze both sides of theglove box bin inward to lower
beyond the stops.4. Press the latches on either sideof the service door inward to
release. Open the service door
and remove the old filter.
5. Install the new air filter.
6. Close the service door completely.
7. Reverse the steps to reinstall the glove box.
See your dealer if additional
assistance is needed.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Driving and Operating 197
Warning (Continued)
.There are holes or openings
in the vehicle body from
damage or aftermarket
modifications that are not
completely sealed.
If unusual fumes are detected or
if it is suspected that exhaust is
coming into the vehicle: . Drive it only with the
windows completely down.
. Have the vehicle repaired
immediately.
Never park the vehicle with the
engine running in an enclosed
area such as a garage or a
building that has no fresh air
ventilation.
Running the Vehicle
While Parked
It is better not to park with the
engine running.
If the vehicle is left with the engine
running, follow the proper steps to
be sure the vehicle will not move.
See Shifting Into Park 0192 and
Engine Exhaust 0196.
If parking on a hill and pulling a
trailer, see Driving Characteristics
and Towing Tips 0251.
Diesel Particulate
Filter
The Diesel Particulate Filter (DPF)
system filters soot particles out of
the exhaust gases. The DPF is
under the vehicle in the exhaust
system.
Depending on a number of factors
monitored by the engine computer,
the DPF will need to be cleaned of
accumulated solids. When a
cleaning is needed, the engine
computer will initiate a self-cleaning
function that runs automatically
during driving without any
notification. The filter is cleaned by
periodically burning off the soot
particles at high temperature. This
process takes place automatically
under set driving conditions and
may take up to 25 minutes. Fuel
consumption may be higher during
this period.
While the DPF cleaning is
automatically controlled by the
engine computer, the vehicle will
need to operate continuously for
approximately 25 minutes and at

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Driving and Operating 245
FWD Shown, AWD Similar
3. Turn the drain plug counterclockwise using a
suitable tool.
4. With the engine off, press and hold ENGINE START/STOP
without applying the brake for
five seconds to place the
vehicle in Service Mode. See
Ignition Positions 0186. Wait
approximately five seconds,
and then press ENGINE
START/STOP again to turn it
off. This operation will enhance
water flow out of the filter. The filter is drained as soon as
diesel fuel emerges from
the port.
5. Retighten the drain plug by turning it clockwise.
6. Properly dispose of the water contaminated fuel.
7. Start the engine and let it run for a few minutes. During the
draining process, air may have
entered the fuel system. If the
engine stalls, the fuel system
may need to be primed. See
“Fuel Priming” following.
Fuel Priming
For the fuel system to work properly,
air cannot be in the fuel lines. If air
gets in, the engine may not start
and the fuel lines will need to be
primed before operating the vehicle.
If air is present, the following may
have happened:
. The vehicle ran out of fuel.
. The fuel filter was removed.
. The fuel lines were removed or
disconnected. .
The fuel filter water drain valve
was opened while the engine
was running.
To prime the fuel lines: 1. With the engine off, press and hold ENGINE START/STOP
without applying the brake for
five seconds to place the
vehicle in Service Mode. See
Ignition Positions 0186. Wait
approximately five seconds
and press ENGINE START/
STOP again to turn it off. Do
this step three times or more
while the engine is off.
2. Press and hold ENGINE START/STOP while applying
the brake for a maximum of
40 seconds at a time, with
five seconds between attempts,
until the engine starts. If the
engine tries to run, but does
not run smoothly, increase the
rpm’s slightly by using the
accelerator pedal. This will help
force air through the system.
3. Repeat Step 2 if the engine stalls and will not restart.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Driving and Operating 247
8. Start the engine and let it idlefor five minutes. Check the fuel
filter and air bleed valve for
leaks.
9. Reset the fuel filter monitor. See Driver Information Center
(DIC) 0136.
Filling the Tank
(Gasoline)
{Warning
Fuel vapors and fuel fires burn
violently and can cause injury or
death.
. To help avoid injuries to you
and others, read and follow
all the instructions on the
fuel pump island.
. Turn off the engine when
refueling.
. Keep sparks, flames, and
smoking materials away
from fuel.
(Continued)
Warning (Continued)
.Do not leave the fuel pump
unattended.
. Do not use a cell phone
while refueling.
. Do not reenter the vehicle
while pumping fuel.
. Keep children away from
the fuel pump and never let
children pump fuel.
. Fuel can spray out if the
refueling nozzle is inserted
too quickly. This spray can
happen if the tank is nearly
full, and is more likely in hot
weather. Insert the refueling
nozzle slowly and wait for
any hiss noise to stop prior
to beginning to flow fuel.
To open the fuel door, push and
release the rearward center edge of
the door.
The vehicle has a capless fuel
system and does not have a fuel
cap. The filling nozzle must be fully
inserted and latched prior to starting
fuel flow.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Vehicle Care 259
Vehicle Care
General Information
General Information . . . . . . . . . . 260
California Proposition65 Warning . . . . . . . . . . . . . . . . . 260
California Perchlorate Materials Requirements . . . . . 261
Accessories and Modifications . . . . . . . . . . . . . . . . 261
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 261
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 262
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 264
Engine Oil . . . . . . . . . . . . . . . . . . . . 269
Engine Oil Life System . . . . . . . 273
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 274
Engine Air Cleaner/Filter . . . . . . 274
Cooling System . . . . . . . . . . . . . . 276
Engine Overheating . . . . . . . . . . 280
Washer Fluid . . . . . . . . . . . . . . . . . 282
Brakes . . . . . . . . . . . . . . . . . . . . . . . 282
Brake Fluid . . . . . . . . . . . . . . . . . . . 283
Battery - North America . . . . . . 284
All-Wheel Drive . . . . . . . . . . . . . . . 285 Starter Switch Check . . . . . . . . . 285
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 286
Wiper Blade Replacement . . . . 286
Windshield Replacement . . . . . 287
Gas Strut(s) . . . . . . . . . . . . . . . . . . 287
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 289
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 289
Halogen Bulbs . . . . . . . . . . . . . . . . 289
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 289
LED Lighting . . . . . . . . . . . . . . . . . 289
Front Turn Signal Lamps . . . . . 289
Taillamps . . . . . . . . . . . . . . . . . . . . . 290
License Plate Lamp . . . . . . . . . . 291
Electrical System
Electrical System Overload . . . 292
Fuses and Circuit Breakers . . . 292
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 293
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 296
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 298
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 300 All-Season Tires . . . . . . . . . . . . . . 301
Winter Tires . . . . . . . . . . . . . . . . . . 301
Summer Tires . . . . . . . . . . . . . . . . 302
Tire Sidewall Labeling . . . . . . . . 302
Tire Designations . . . . . . . . . . . . . 304
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 305
Tire Pressure . . . . . . . . . . . . . . . . . 307
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 309
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 310
Tire Inspection . . . . . . . . . . . . . . . . 313
Tire Rotation . . . . . . . . . . . . . . . . . 314
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 315
Buying New Tires . . . . . . . . . . . . . 315
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 317
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 317
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 319
Wheel Replacement . . . . . . . . . . 319
Tire Chains . . . . . . . . . . . . . . . . . . . 320
If a Tire Goes Flat . . . . . . . . . . . . 320
Tire Sealant and Compressor Kit . . . . . . . . . . . . . 322
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . 328

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Vehicle Care 265
1.Engine Air Cleaner/Filter 0274.
2. Engine Oil Fill Cap. See Engine Oil 0269.
3. Engine Oil Dipstick. See Engine Oil 0269.
4. Engine Cooling Fan. See Cooling System 0276.
5. Brake Fluid Reservoir. See Brake Fluid 0283.
6. Engine Compartment Fuse
Block 0293.
7. Remote Positive (+) Terminal (Under Cover). See Jump
Starting - North America 0335.
8. Engine Coolant Surge Tank and Pressure Cap. See
Cooling System 0276.
9. Battery - North America 0284.
10. Remote Negative (−) Terminal. SeeJump Starting - North
America 0335.
11. Windshield Washer Fluid Reservoir. See Washer Fluid
0 282.