to move.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Black plate (25,1)
3. With the engine off, turn the
ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.
Ignition Transmission Lock Check While parked and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). The ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
Park Brake and P (Park) Mechanism Check { Warning
When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake.
To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.
Vehicle Care
10-25
To check the P (Park) mechanism's holding ability: With the engine running, shift to P (Park). Then release the parking brake followed by the regular brake.
Contact your dealer if service is required.
Wiper Blade Replacement Windshield wiper blades should be inspected for wear and cracking. See Maintenance Schedule on page 11-2. Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts on page 11-12.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-26
Vehicle Care
{ Caution
Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by the vehicle warranty. Do not allow the wiper arm to touch the windshield.
Front Wiper Blade Replacement To replace the front wiper blades: 1. Lift the wiper arm from the windshield until no further movement is possible.
2. Press the square button on the top side, at the end of the wiper arm, and pull the wiper blade out of the end of the wiper arm. Install the wiper blade connector by sliding into the end of the wiper arm until the square button on the wiper blade clicks into place with the wiper arm.
3.
4. Place the wiper arm with the
wiper blade in place back on the windshield.
Rear Wiper Blade Replacement The rear wiper blade and wiper arm have a cover for protection. The cover must be removed before the wiper blade can be replaced.
To remove the cover:
1. Slide a plastic tool under the
cover and push upward to unsnap.
2. Slide the cover toward the wiper
blade tip to unhook it from the blade assembly.
3. Remove the cover. 4. After wiper blade replacement, ensure that cover hook slides into the slot in the blade assembly.
5. Snap the cover down to secure.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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To replace the wiper blade: 1. Lift the wiper arm away from the
windshield.
Vehicle Care
10-27
Headlamp Aiming Headlamp aim has been preset and should need no further adjustment. If the vehicle is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps is necessary, see your dealer.
Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 10-31. For any bulb changing procedure not listed in this section, contact your dealer.
2. Push the release lever (2) to
disengage the hook and push the wiper arm (1) out of the blade assembly (3).
3. Push the new blade assembly securely on the wiper arm until the release lever clicks into place.
4. Replace the wiper cover.
Halogen Bulbs
{ Warning
Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-28
Vehicle Care
Fog Lamps To replace one of these bulbs:
Taillamps, Turn Signal, Sidemarker, Stoplamps, and Back-Up Lamps
2. Remove the two screw covers
from the taillamp assembly.
1. Locate the fog lamp assembly
under the front fascia.
2. Remove the bulb from the lamp
assembly by turning it counterclockwise and pulling straight out.
3. Disconnect the electrical
connector.
4. Reverse Steps 2 and 3 for
assembly.
1. Stop/Tail/Turn Signal/
Sidemarker Lamp 2. Auxiliary Taillamp 3. Back-up Lamp
Stop/Tail/Turn Signal/ Sidemarker Lamp To replace one of these lamps: 1. Open the liftgate. See Liftgate
on page 2-9.
3. Remove the two screws
securing the taillamp assembly. 4. Pull the taillamp assembly out of
the vehicle body.
5. Disconnect the lamp wiring
harness.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Vehicle Care
10-29
6. Turn the bulb socket
counterclockwise and pull it out.
7. Pull the bulb straight out of the
socket. Install the new bulb.
8. 9. Push the bulb socket in and turn
it clockwise.
10. Reverse Steps 2–5 to reinstall
the lamp assembly.
11. Verify that the taillamp
assembly tab, located at the bottom of the taillamp assembly, is aligned to the fascia bracket before securing with screws.
Auxiliary Taillamp To replace one of these lamps: 1. Open the liftgate. See Liftgate
on page 2-9.
2. Remove the interior trim access
panel.
3. Remove the five attachment nuts (1) securing the taillamp assembly to the liftgate.
4. Disengage the retaining hook (2)
and pull the taillamp assembly out of the vehicle liftgate.
5. Disconnect the lamp wiring
harness.
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10-30
Vehicle Care
Back–Up Lamp Removal of the lamp assembly is not required to replace the back-up lamp bulb. To replace one of these lamps: 1. Open the liftgate. See Liftgate
on page 2-9.
2. Remove the interior trim access
panel.
3. Turn the bulb socket
counterclockwise and pull it out.
4. Pull the bulb straight out of the
socket. Install the new bulb.
5. 6. Push the bulb socket in and turn
it clockwise.
7. Reinstall the interior trim access
panel.
6. Turn the bulb socket
counterclockwise and pull it out.
7. Pull the bulb straight out of the
socket. Install the new bulb.
8. 9. Push the bulb socket in and turn
it clockwise.
10. Reverse Steps 2–5 to reinstall
lamp assembly.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Vehicle Care
10-31
Replacement Bulbs
Exterior Lamp
Auxiliary Taillamp Back-Up Lamp Fog Lamp License Plate Lamp Taillamp/Turn Signal Lamp/Stop Lamp/ Sidemarker
Bulb
Number
161
921
H11 LL W5WLL 3057K RD
For replacement bulbs not listed here, contact your dealer.
License Plate Lamp
Lamp Assembly
Bulb Assembly
1. Bulb Socket 2. Bulb 3. Lamp Assembly
To replace one of these bulbs: 1. Open the liftgate partway. See
Liftgate on page 2-9.
2. Push the left end of the lamp
assembly toward the right.
3. Pull the lamp assembly down to
remove it from the liftgate.
4. Turn the bulb socket (1)
counterclockwise to remove it from the lamp assembly (3).
5. Pull the bulb (2) straight out of
the bulb socket (1).
6. Push the replacement bulb
straight into the bulb socket and turn the bulb socket clockwise to install it into the lamp assembly. 7. Push the lamp assembly into the
liftgate engaging the clip side first.
8. Push on the lamp side opposite the clip until the lamp assembly snaps into place.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-32
Vehicle Care
Electrical System
Fuses The wiring circuits in the vehicle are protected from short circuits by fuses. This greatly reduces the chance of damage caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating. Replace a bad fuse with a new one of the identical size and rating. If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible. There are two fuse blocks in the vehicle: one in the engine compartment and one in the instrument panel.
There is a fuse puller located in the engine compartment fuse block. See Engine Compartment Fuse Block on page 10-32. It can be used to easily remove fuses from the fuse block.
Engine Compartment Fuse Block
{ Caution
Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.
To remove the fuse block cover, squeeze the clips on the cover and lift it straight up. See Engine Compartment Overview on page 10-5.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Vehicle Care
10-33
J-Case Fuses
Usage
10
11
12
13
14
15
16
77
Instrument Panel
Fuse Block 1
Rear Defogger
Starter
AIR Pump Motor
Instrument Panel
Fuse Block 2
Sunroof
Antilock Brake
System Pump
Instrument Panel
Fuse Block 3
Power Windows
– Left
Antilock Brake
System Module
Power Seat – Right
The vehicle may not be equipped with all of the fuses, relays, and features shown.
J-Case Fuses
Usage
Cool Fan 1
Cool Fan 2
Brake Booster
J-Case Fuses
Usage
Power Windows – Right Memory Seat Module Power Seat – Left
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10-34
Vehicle Care
Mini Fuses
17
18
19
20
21
22
23
24
25
26
27
28
Usage Transmission Control Module Battery Trailer Parking Light AIR Pump Solenoid Engine Control Module Battery Canister Vent Trailer Left Side (If Equipped) Lift Gate Module Power Lumbar Trailer Right Side (If Equipped) Rear Accessory Power Outlet Memory Mirror Module Regulated Voltage Control Battery Sensor
Mini Fuses
Usage
Mini Fuses
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Front Wiper Rear Wiper Air Conditioning Compressor Rear Latch Heated Mirrors Horn Right High-Beam Headlamp Left High-Beam Headlamp Ignition Even Coil Ignition Odd Coil Windshield Washer Front Fog Lamps Post Catalytic Converter Oxygen Sensor Engine Control Module
43
44
45
46
47
48
49
50
51
52
53
54
Usage Pre–Catalytic Converter Oxygen Sensor Transmission Control Module Mirror Fuel System Control Module Ignition Spare Rear Drive Module Lift Gate Module Logic Instrument Panel Fuse Block Ignition Heated Seat– Front Fuel System Control Module Engine Control Module Rear Vision Camera
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Micro Relays
Usage
65
66
67
68
Fog Lamp Engine Control Starter Run/Crank
Mini Relays
Usage
69
70
Cooling Fan High AIR Pump Motor
Vehicle Care
10-35
Instrument Panel Fuse Block
The instrument panel fuse block is located on the passenger side panel of the center console. To access the fuses, open the fuse panel door from the passenger side by pulling it out.
Mini Fuses
Usage
78
Passenger Power Lumber
Midi Fuse
55
Usage Electric Power Steering
Micro Relays
Usage
56
57
58
59
60
61
62
63
64
AIR Pump Solenoid Brake Booster Cooling Fan Low Headlamp High Beam Cooling Fan Control Wiper On/Off Control Air Conditioning Compressor Rear Defogger Wiper Speed
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-36
Vehicle Care
To reinstall the door, insert the tabs on the top of the door into the console first, then push the door back into its original location. The vehicle may not be equipped with all of the fuses, relays, and features shown.
Mini Fuses
Usage
10
11
12
Steering Wheel
Dimming
Spare
Spare
Body Control
Module 1
Infotainment
Body Control
Module 7
Noise Control
Module
Body Control
Module 4
Radio
Spare
Rear Parking Assist
Module
Heater, Ventilation,
and Air Conditioning
Battery
Instrument Panel Fuse Block
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Mini Fuses
Usage
Mini Fuses
Usage
Mini Fuses
Usage
Vehicle Care
10-37
13
14
15
16
17
18
19
20
21
22
23
Auxiliary Power
Front
Heater, Ventilation
and Air Conditioning
Ignition
Display
Body Control
Module 5
Auxiliary
Power Rear
Instrument Panel
Ignition
Universal Garage
Door Opener
Body Control
Module 6
Spare
Sensing and
Diagnostic Module
Ignition
Front Camera
24
25
26
27
28
30
31
32
33
34
35
36
Spare
Transmission Gear
Shift Position
Indicator
Spare
Spare
Spare
Body Control
Module 3
Amplifier
Discrete Logic
Ignition Switch
Communications
Integration Module
Body Control
Module 2
Sensing and
Diagnostic Module
Battery
Data Link
Connection
37
38
39
Instrument Panel Battery Passenger Sensing System Module Spare
J-Case Fuses
29
40
Usage
Front Blower Motor
Body Control
Module 8
Relays
Usage
41
42
Logistic Relay (If Equipped) Retained Accessory Power Relay
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10-38
Vehicle Care
Wheels and Tires
Tires Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer.
{ Warning
. Poorly maintained and
improperly used tires are dangerous.
. Overloading the tires can
cause overheating as a result of too much flexing. There could be a blowout
(Continued)
Warning (Continued)
Warning (Continued)
and a serious crash. See Vehicle Load Limits on page 9-14.
. Underinflated tires pose
the same danger as overloaded tires. The resulting crash could cause serious injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when the tires are cold.
. Overinflated tires are more likely to be cut, punctured, or broken by a sudden impact — such as when hitting a pothole. Keep tires at the recommended pressure.
(Continued)
. Worn or old tires can
cause a crash. If the tread is badly worn, replace them.
. Replace any tires that
have been damaged by impacts with potholes, curbs, etc.
. Improperly repaired tires can cause a crash. Only the dealer or an authorized tire service center should repair, replace, dismount, and mount the tires.
. Do not spin the tires in
excess of 56 km/h (35 mph) on slippery surfaces such as snow, mud, ice, etc. Excessive spinning may cause the tires to explode.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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All-Season Tires This vehicle may come with all-season tires. These tires are designed to provide good overall performance on most road surfaces and weather conditions. Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. Original equipment all-season tires can be identified by the last two characters of this TPC code, which will be “MS.” Consider installing winter tires on the vehicle if frequent driving on snow or ice-covered roads is expected. All-season tires provide adequate performance for most winter driving conditions, but they may not offer the same level of traction or performance as winter tires on snow or ice-covered roads. See Winter Tires on page 10-39.
Winter Tires This vehicle was not originally equipped with winter tires. Winter tires are designed for increased traction on snow and ice-covered roads. Consider installing winter tires on the vehicle if frequent driving on ice or snow covered roads is expected. See your dealer for details regarding winter tire availability and proper tire selection. Also, see Buying New Tires on page 10-53. With winter tires, there may be decreased dry road traction, increased road noise, and shorter tread life. After changing to winter tires, be alert for changes in vehicle handling and braking. If using winter tires: . Use tires of the same brand and
tread type on all four wheel positions.
Vehicle Care
10-39
. Use only radial ply tires of the
same size, load range, and speed rating as the original equipment tires.
Winter tires with the same speed rating as the original equipment tires may not be available for H, V, W, Y, and ZR speed rated tires. If winter tires with a lower speed rating are chosen, never exceed the tire's maximum speed capability.
Summer Tires This vehicle may come with high performance summer tires. These tires have a special tread and compound that are optimized for maximum dry and wet road performance. This special tread and compound will have decreased performance in cold climates, and on ice and snow. We recommend installing winter tires on the vehicle if frequent driving at temperatures below approximately 5°C (40°F) or on ice or snow covered roads is expected. See Winter Tires on page 10-39.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-40
Vehicle Care
Tire Sidewall Labeling Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall.
Passenger (P-Metric) Tire Example (1) Tire Size: The tire size is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type,
and service description. See the “Tire Size” illustration later in this section. (2) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. GM's TPC specifications meet or exceed all federal safety guidelines. (3) DOT (Department of Transportation): The Department of Transportation (DOT) code indicates that the tire is in compliance with the U.S. Department of Transportation Motor Vehicle Safety Standards. DOT Tire Date of Manufacture: The last four digits of the TIN indicate the tire manufactured date. The first two
digits represent the week (01– 52) and the last two digits, the year. For example, the third week of the year 2010 would have a four-digit DOT date of 0310. (4) Tire Identification Number (TIN): The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (5) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread. (6) Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on three
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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performance factors: treadwear, traction, and temperature resistance. For more information see Uniform Tire Quality Grading on page 10-55. (7) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load.
Compact Spare Tire Example (1) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread.
(2) Temporary Use Only: The compact spare tire or temporary use tire should not be driven at speeds over 80 km/h (50 mph). The compact spare tire is for emergency use when a regular road tire has lost air and gone flat. If the vehicle has a compact spare tire, see Compact Spare Tire on page 10-65 and If a Tire Goes Flat on page 10-58. (3) Tire Identification Number (TIN): The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture.
Vehicle Care
10-41
(4) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load. (5) Tire Inflation: The temporary use tire or compact spare tire should be inflated to 420 kPa (60 psi). For more information on tire pressure and inflation see Tire Pressure on page 10-45. (6) Tire Size: A combination of letters and numbers define a tire's width, height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means the tire is for temporary use only. (7) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance
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10-42
Vehicle Care
criteria have a TPC specification code molded onto the sidewall. GM's TPC specifications meet or exceed all federal safety guidelines.
Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size.
(1) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger
vehicle tire engineered to standards set by the U.S. Tire and Rim Association. (2) Tire Width: The three-digit number indicates the tire section width in millimeters from sidewall to sidewall. (3) Aspect Ratio: A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is 60, as shown in item 3 of the illustration, it would mean that the tire's sidewall is 60 percent as high as it is wide. (4) Construction Code: A letter code is used to indicate the type of ply construction in the tire. The letter R means radial ply construction; the letter D means diagonal or bias ply construction; and the letter B means belted-bias ply construction.
(5) Rim Diameter: Diameter of the wheel in inches. (6) Service Description: These characters represent the load index and speed rating of the tire. The load index represents the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load.
Tire Terminology and Definitions Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: The combined weight of optional accessories. Some examples of optional accessories are
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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automatic transmission, power windows, power seats, and air conditioning. Aspect Ratio: The relationship of a tire's height to its width. Belt: A rubber coated layer of cords between the plies and the tread. Cords may be made from steel or other reinforcing materials. Bead: The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim. Bias Ply Tire: A pneumatic tire in which the plies are laid at alternate angles less than 90 degrees to the centerline of the tread. Cold Tire Pressure: The amount of air pressure in a tire, measured in kPa (kilopascal) or psi (pounds per square inch)
before a tire has built up heat from driving. See Tire Pressure on page 10-45. Curb Weight: The weight of a motor vehicle with standard and optional equipment including the maximum capacity of fuel, oil, and coolant, but without passengers and cargo. DOT Markings: A code molded into the sidewall of a tire signifying that the tire is in compliance with the U.S. Department of Transportation (DOT) Motor Vehicle Safety Standards. The DOT code includes the Tire Identification Number (TIN), an alphanumeric designator which can also identify the tire manufacturer, production plant, brand, and date of production. GVWR: Gross Vehicle Weight Rating. See Vehicle Load Limits on page 9-14.
Vehicle Care
10-43
GAWR FRT: Gross Axle Weight
Rating for the front axle. See
Vehicle Load Limits on
page 9-14.
GAWR RR: Gross Axle Weight
Rating for the rear axle. See
Vehicle Load Limits on
page 9-14.
Intended Outboard Sidewall:
The side of an asymmetrical tire
that must always face outward
when mounted on a vehicle.
Kilopascal (kPa): The metric
unit for air pressure.
Light Truck (LT-Metric) Tire: A
tire used on light duty trucks and
some multipurpose passenger
vehicles.
Load Index: An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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10-44
Vehicle Care
Maximum Inflation Pressure: The maximum air pressure to which a cold tire can be inflated. The maximum air pressure is molded onto the sidewall. Maximum Load Rating: The load rating for a tire at the maximum permissible inflation pressure for that tire. Maximum Loaded Vehicle Weight: The sum of curb weight, accessory weight, vehicle capacity weight, and production options weight. Normal Occupant Weight: The number of occupants a vehicle is designed to seat multiplied by 68 kg (150 lb). See Vehicle Load Limits on page 9-14. Occupant Distribution: Designated seating positions.
Outward Facing Sidewall: The side of an asymmetrical tire that has a particular side that faces outward when mounted on a vehicle. The side of the tire that contains a whitewall, bears white lettering, or bears manufacturer, brand, and/or model name molding that is higher or deeper than the same moldings on the other sidewall of the tire. Passenger (P-Metric) Tire: A tire used on passenger cars and some light duty trucks and multipurpose vehicles. Recommended Inflation Pressure: Vehicle manufacturer's recommended tire inflation pressure as shown on the tire placard. See Tire Pressure on page 10-45 and Vehicle Load Limits on page 9-14.
Radial Ply Tire: A pneumatic tire in which the ply cords that extend to the beads are laid at 90 degrees to the centerline of the tread. Rim: A metal support for a tire and upon which the tire beads are seated. Sidewall: The portion of a tire between the tread and the bead. Speed Rating: An alphanumeric code assigned to a tire indicating the maximum speed at which a tire can operate. Traction: The friction between the tire and the road surface. The amount of grip provided. Tread: The portion of a tire that comes into contact with the road. Treadwear Indicators: Narrow bands, sometimes called wear bars, that show across the tread
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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of a tire when only 1.6 mm (1/16 in) of tread remains. See When It Is Time for New Tires on page 10-52. UTQGS (Uniform Tire Quality Grading Standards): A tire information system that provides consumers with ratings for a tire's traction, temperature, and treadwear. Ratings are determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading on page 10-55. Vehicle Capacity Weight: The number of designated seating positions multiplied by 68 kg (150 lb) plus the rated cargo load. See Vehicle Load Limits on page 9-14.
Vehicle Maximum Load on the Tire: Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard: A label permanently attached to a vehicle showing the vehicle capacity weight and the original equipment tire size and recommended inflation pressure. See “Tire and Loading Information Label” under Vehicle Load Limits on page 9-14.
Tire Pressure Tires need the correct amount of air pressure to operate effectively.
Vehicle Care
10-45
{ Caution
Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in:
. Tire overloading and
overheating which could lead to a blowout.
. Premature or irregular wear. . Poor handling. . Reduced fuel economy.
Overinflated tires, or tires that have too much air, can result in:
. Unusual wear. . Poor handling. . Rough ride. . Needless damage from
road hazards.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (46,1)
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Vehicle Care
The Tire and Loading Information label on the vehicle indicates the original equipment tires and the correct cold tire inflation pressures. The recommended pressure is the minimum air pressure needed to support the vehicle's maximum load carrying capacity. See Vehicle Load Limits on page 9-14. How the vehicle is loaded affects vehicle handling and ride comfort. Never load the vehicle with more weight than it was designed to carry.
When to Check Check the tires once a month or more. Do not forget the compact spare, if the vehicle has one. The cold compact spare tire pressure should be at 420 kPa (60 psi). See Compact Spare Tire on page 10-65.
How to Check Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation cannot be determined by looking at the tire. Check the tire inflation pressure when the tires are cold, meaning the vehicle has not been driven for at least three hours or no more than 1.6 km (1 mi). Remove the valve cap from the tire valve stem. Press the tire gauge firmly onto the valve to get a pressure measurement. If the cold tire inflation pressure matches the recommended pressure on the Tire and Loading Information label, no further adjustment is necessary. If the inflation pressure is low, add air until the recommended pressure is reached. If the inflation pressure is high, press on the metal stem in the center of the tire valve to release air.
Recheck the tire pressure with the tire gauge. Return the valve caps on the valve stems to prevent leaks and keep out dirt and moisture.
Tire Pressure Monitor System The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure readings to a receiver located in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (47,1)
tire inflation pressure label, you should determine the proper tire inflation pressure for those tires.) As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's responsibility to maintain correct tire pressure, even if under-inflation has
not reached the level to trigger illumination of the TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists. When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended. TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to
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ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. See Tire Pressure Monitor Operation on page 10-47. See Radio Frequency Statement on page 13-12.
Tire Pressure Monitor Operation This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designed to warn the driver when a low tire pressure condition exists. TPMS sensors are mounted onto each tire and wheel assembly, excluding the spare tire and wheel assembly. The TPMS sensors monitor the air pressure in the tires and transmits the tire pressure readings to a receiver located in the vehicle.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (48,1)
{ Caution
Tire sealant materials are not all the same. A non-approved tire sealant could damage the TPMS sensors. TPMS sensor damage caused by using an incorrect tire sealant is not covered by the vehicle warranty. Always use only the GM approved tire sealant available through your dealer or included in the vehicle.
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Vehicle Care
When a low tire pressure condition is detected, the TPMS illuminates the low tire pressure warning light located on the instrument cluster. If the warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the tire loading information label. See Vehicle Load Limits on page 9-14. A message to check the pressure in a specific tire displays in the Driver Information Center (DIC). The low tire pressure warning light and the DIC warning message come on at each ignition cycle until the tires are inflated to the correct inflation pressure. Using the DIC, tire pressure levels can be viewed. For additional information and details
about the DIC operation and displays see Driver Information Center (DIC) on page 5-20. The low tire pressure warning light may come on in cool weather when the vehicle is first started, and then turn off as the vehicle is driven. This could be an early indicator that the air pressure is getting low and needs to be inflated to the proper pressure. A Tire and Loading Information label shows the size of the original equipment tires and the correct inflation pressure for the tires when they are cold. See Vehicle Load Limits on page 9-14, for an example of the Tire and Loading Information label and its location. Also see Tire Pressure on page 10-45. The TPMS can warn about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection on page 10-51, Tire Rotation on page 10-51 and Tires on page 10-38.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (49,1)
TPMS Malfunction Light and Message The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire pressure warning light flashes for about one minute and then stays on for the remainder of the ignition cycle. A DIC warning message also displays. The low tire pressure warning light and DIC warning message come on at each ignition cycle until the problem is corrected. Some of the conditions that can cause these to come on are: . One of the road tires has been
replaced with the spare tire. The spare tire does not have a TPMS sensor. The malfunction light and DIC message should go off after the road tire is replaced and the sensor matching process is performed successfully. See "TPMS Sensor Matching Process" later in this section.
The TPMS sensor matching process was not done or not completed successfully after rotating the tires. The malfunction light and the DIC message should go off after successfully completing the sensor matching process. See "TPMS Sensor Matching Process" later in this section
. One or more TPMS sensors are
missing or damaged. The DIC message and the TPMS malfunction light should go off when the TPMS sensors are installed and the sensor matching process is performed successfully. See your dealer for service.
. Replacement tires or wheels do not match the original equipment tires or wheels. Tires and wheels other than those recommended could prevent the TPMS from functioning properly. See Buying New Tires on page 10-53.
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. Operating electronic devices or being near facilities using radio wave frequencies similar to the TPMS could cause the TPMS sensors to malfunction.
If the TPMS is not functioning properly, it cannot detect or signal a low tire condition. See your dealer for service if the TPMS malfunction light and DIC message comes on and stays on. TPMS Sensor Matching Process Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the tires or replacing one or more of the TPMS sensors. The TPMS sensor matching process should also be performed after replacing a spare tire with a road tire containing the TPMS sensor. The malfunction light and the DIC message should go off at the next ignition cycle. The sensors are matched to the tire/ wheel positions, using a TPMS
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (50,1)
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Vehicle Care
relearn tool, in the following order: driver side front tire, passenger side front tire, passenger side rear tire, and driver side rear. See your dealer for service or to purchase a relearn tool. A TPMS relearn tool can also be purchased. See Tire Pressure Monitor Sensor Activation Tool at www.gmtoolsandequipment.com or call 1-800-GM TOOLS (1-800-468-6657). There are two minutes to match the first tire/wheel position, and five minutes overall to match all four tire/wheel positions. If it takes longer, the matching process stops and must be restarted. The TPMS sensor matching process is: 1. Set the parking brake. 2. Turn the ignition to ON/RUN with
the engine off.
3. Use the MENU button to select the Vehicle Information Menu in the Driver Information Center
(DIC). Use the arrow keys to scroll to the Tire Pressure screen.
8. Proceed to the passenger side
front tire, and repeat the procedure in Step 7.
4. Press the SET/CLR button to
9. Proceed to the passenger side
begin the sensor matching process. A message requesting acceptance of the process should display.
5. Press the SET/CLR button again
to confirm the selection. The horn sounds twice to signal the receiver is in relearn mode and the TIRE LEARNING ACTIVE message displays on the DIC screen.
6. Start with the driver side
front tire.
7. Place the relearn tool against
the tire sidewall, near the valve stem. Then press the button to activate the TPMS sensor. A horn chirp confirms that the sensor identification code has been matched to this tire and wheel position.
rear tire, and repeat the procedure in Step 7.
10. Proceed to the driver side rear tire, and repeat the procedure in Step 7. The horn sounds two times to indicate the sensor identification code has been matched to the driver side rear tire, and the TPMS sensor matching process is no longer active. The TIRE LEARNING ACTIVE message on the DIC display screen goes off.
11. Turn the ignition to LOCK/OFF. 12. Set all four tires to the
recommended air pressure level as indicated on the Tire and Loading Information label.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (51,1)
Tire Inspection We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: . The indicators at three or
more places around the tire can be seen.
. There is cord or fabric
showing through the tire's rubber.
. The tread or sidewall is
cracked, cut, or snagged deep enough to show cord or fabric.
. The tire has a bump, bulge,
or split.
. The tire has a puncture, cut, or other damage that cannot be repaired well because of the size or location of the damage.
Tire Rotation Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule on page 11-2. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire inflation pressure, and check for damaged tires or wheels. If the unusual wear continues after the rotation, check the wheel
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alignment. See When It Is Time
for New Tires on page 10-52
and Wheel Replacement on
page 10-57.
Use this rotation pattern when rotating the tires. Do not include the compact spare tire in the tire rotation. Adjust the front and rear tires to the recommended inflation pressure on the Tire and
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (52,1)
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Vehicle Care
Loading Information label after
the tires have been rotated. See
Tire Pressure on page 10-45
and Vehicle Load Limits on
page 9-14.
Reset the Tire Pressure Monitor
System. See Tire Pressure
Monitor Operation on
page 10-47.
Check that all wheel nuts are
properly tightened. See “Wheel
Nut Torque” under Capacities
and Specifications on
page 12-2.
{ Warning
Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after time. The wheel could come off and cause an accident. When changing a wheel, remove any rust or dirt from places where the (Continued)
Warning (Continued)
wheel attaches to the vehicle. In an emergency, a cloth or a paper towel can be used; however, use a scraper or wire brush later to remove all rust or dirt.
Lightly coat the center of the wheel hub with wheel bearing grease after a wheel change or tire rotation to prevent corrosion or rust build-up. Do not get grease on the flat wheel mounting surface or on the wheel nuts or bolts.
When It Is Time for New Tires Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1.6 mm (1/16 in) or less of tread remaining. See Tire Inspection on page 10-51 and Tire Rotation on page 10-51. The rubber in tires ages over time. This also applies to the spare tire, if the vehicle has one, even if it is never used. Multiple factors including temperatures, loading conditions, and inflation pressure maintenance affect how fast aging takes place. GM recommends that tires, including the spare if
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (53,1)
equipped, be replaced after six years, regardless of tread wear. The tire manufacture date is the last four digits of the DOT Tire Identification Number (TIN) which is molded into one side of the tire sidewall. The first two digits represent the week (01–52) and the last two digits, the year. For example, the third week of the year 2010 would have a four-digit DOT date of 0310. Vehicle Storage Tires age when stored normally mounted on a parked vehicle. Park a vehicle that will be stored for at least a month in a cool, dry, clean area away from direct sunlight to slow aging. This area should be free of grease, gasoline, or other substances that can deteriorate rubber. Parking for an extended period can cause flat spots on the tires that may result in vibrations while driving. When storing a vehicle for
at least a month, remove the tires or raise the vehicle to reduce the weight from the tires.
Buying New Tires GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system rating. When replacement tires are needed, GM strongly recommends buying tires with the same TPC Spec rating. GM's exclusive TPC Spec system considers over a dozen critical specifications that impact the overall performance of the vehicle, including brake system performance, ride and handling, traction control, and tire pressure monitoring performance. GM's TPC Spec
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number is molded onto the tire's sidewall near the tire size. If the tires have an all-season tread design, the TPC Spec number will be followed by MS for mud and snow. See Tire Sidewall Labeling on page 10-40. GM recommends replacing worn tires in complete sets of four. Uniform tread depth on all tires will help to maintain the performance of the vehicle. Braking and handling performance may be adversely affected if all the tires are not replaced at the same time. If proper rotation and maintenance have been done, all four tires should wear out at about the same time. See Tire Rotation on page 10-51. However, if it is necessary to replace only one axle set of worn tires, place the new tires on the rear axle.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (54,1)
10-54
Vehicle Care
Winter tires with the same speed rating as the original equipment tires may not be available for H, V, W, Y and ZR speed rated tires. Never exceed the winter tires’ maximum speed capability when using winter tires with a lower speed rating.
{ Warning
Tires could explode during improper service. Attempting to mount or dismount a tire could cause injury or death. Only your dealer or authorized tire service center should mount or dismount the tires.
{ Warning
Mixing tires of different sizes, brands, or types may cause loss of control of the vehicle, resulting in a crash or other vehicle damage. Use the correct size, brand, and type of tires on all wheels.
{ Warning
Using bias-ply tires on the vehicle may cause the wheel rim flanges to develop cracks after many miles of driving. A tire and/or wheel could fail suddenly and cause a crash. Use only radial-ply tires with the wheels on the vehicle.
If the vehicle tires must be replaced with a tire that does not have a TPC Spec number, make
sure they are the same size, load range, speed rating, and construction (radial) as the original tires. Vehicles that have a tire pressure monitoring system could give an inaccurate low-pressure warning if non-TPC Spec rated tires are installed. See Tire Pressure Monitor System on page 10-46. The Tire and Loading Information label indicates the original equipment tires on the vehicle. See Vehicle Load Limits on page 9-14.
Different Size Tires and Wheels If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and resistance to rollover
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Black plate (55,1)
may be affected. If the vehicle has electronic systems such as antilock brakes, rollover airbags, traction control, electronic stability control, or All-Wheel Drive, the performance of these systems can also be affected.
{ Warning
If different sized wheels are used, there may not be an acceptable level of performance and safety if tires not recommended for those wheels are selected. This increases the chance of a crash and serious injury. Only use GM