2010 GMC TERRAIN automatic transmission

10-4 Service and Maintenance
.Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. SeeExterior
Care
on page 9‑85. Worn or
damaged wiper blade
replacement. See Wiper Blade
Replacement on page 9‑28.
.Body hinges and latches, key
lock cylinders, folding seat
hardware, and sunroof (if
equipped) lubrication. See
Recommended Fluids and
Lubricants
on page 10‑7. More
frequent lubrication may be
required when vehicle is
exposed to a corrosive
environment. Applying silicone
grease on weatherstrips with a
clean cloth makes them last
longer, seal better, and not stick
or squeak.
.Restraint system component
check. See Safety System
Check on page 2‑23.
.Automatic transmission fluid
level check and adding fluid,
if needed. See Automatic
Transmission Fluid
on
page 9‑13.
.Engine air cleaner filter
inspection. See Engine Air
Cleaner/Filter on page 9‑13.
Additional Required Services
At Each Fuel Stop
.Engine oil level check. See
Engine Oil on page 9‑10.
.Engine coolant level check. See
Engine Coolant on page 9‑16.
.Windshield washer fluid level
check. See Washer Fluidon
page 9‑22.
Once a Month
.Tire inflation check. See Tire
Pressure on page 9‑52.
.Tire wear inspection. See Tire
Inspection on page 9‑58. Once a Year
.See
Starter Switch Checkon
page 9‑26.
.See Automatic Transmission
Shift Lock Control System
Check on page 9‑27.
.See Ignition Transmission Lock
Check on page 9‑27.
.See Park Brake and P (Park)
Mechanism Checkon
page 9‑28.
.Engine cooling system and
pressure cap pressure check.
Radiator and air conditioning
condenser outside cleaning. See
Cooling System on page 9‑15.
.Exhaust system and nearby heat
shields inspection for loose or
damaged components.
.Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.

Service and Maintenance 10-5
First Engine Oil Change After
Every 40 000 km/25,000 Miles
.Fuel system inspection for
damage or leaks.
First Engine Oil Change After
Every 80 000 km/50,000 Miles
.Engine air cleaner filter
replacement. See Engine Air
Cleaner/Filter on page 9‑13.
.Automatic transmission fluid
change (severe service) for
vehicles mainly driven in heavy
city traffic in hot weather, in hilly
or mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service. See
Automatic Transmission Fluid
on
page 9‑13.
.Transfer case fluid change
(severe service) for vehicles
mainly driven in hilly or
mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service.
First Engine Oil Change After
Every 160 000 km/100,000 Miles
.Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid
on
page 9‑13.
.Transfer case fluid change
(normal service).
.Spark plug replacement. An
Emission Control Service. First Engine Oil Change After
Every 240 000 km/150,000 Miles
.Engine cooling system drain,
flush, and refill, cooling system
and cap pressure check, and
cleaning of outside of radiator
and air conditioning condenser
(or every 5 years, whichever
occurs first). See
Cooling
System
on page 9‑15. An
Emission Control Service.
.Engine accessory drive belt
inspection for fraying, excessive
cracks, or obvious damage and
replacement, if needed. An
Emission Control Service.

10-6 Service and Maintenance
ServiceMaintenanceIMaintenance
II
Change engine oil and filter. Reset oil life system. ••
Engine coolant level check. ••
Windshield washer fluid level check. ••
Tire inflation pressures check. ••
Tire wear inspection. ••
Rotate tires. ••
Fluids visual leak check. ••
Engine air cleaner filter inspection (vehicles driven in dusty conditions only). ••
Brake system inspection. ••
Steering and suspension inspection. •
Engine cooling system inspection. •
Windshield wiper blades inspection. •
Body components lubrication. •
Restraint system components check. •
Automatic transmission fluid level check. •
Engine air cleaner filter inspection (vehicles not driven in dusty conditions). •

Service and Maintenance 10-7
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Engine Oil Engine oil which meets GM Standard GM6094M and displays the
American Petroleum Institute Certified for Gasoline Engines starburst
symbol. To determine the proper viscosity for the vehicle's engine, see
Engine Oil on page 9‑10.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®Coolant.
See Engine Coolant on page 9‑16.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. U.S. 12377967, in
Canada 89021320).
Windshield Washer Optikleen
®Washer Solvent.
Hydraulic Power Steering System (V6 engines only) DEXRON
®-VI Automatic Transmission Fluid.
Automatic Transmission DEXRON
®-VI Automatic Transmission Fluid.

Technical Data 11-3
ApplicationCapacities
Metric English
Transmission Fluid (Drain and Refill)
2.4L L4 6–Speed Automatic* 8.5 L 9.0 qt
3.0L V6 6–Speed Automatic* 9.0 L 9.5 qt
Wheel Nut Torque 170 Y125 ft lb
*See Automatic Transmission Fluid
on page 9‑13for information on checking fluid level.
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.4L L4 WAutomatic 0.9 mm (0.035 in)
3.0L V6 YAutomatic 1.1 mm (0.043 in)

INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . . 9-3
Accessory Power . . . . . . . . . . . . . . 8-29
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 8-66
Adding Equipment to the
Airbag-Equipped Vehicle . . . . . 2-38
Adjustments Lumbar, Front Seats . . . . . . . . . . . 2-5
Air Cleaner/Filter, Engine . . . . . . 9-13
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 7-6
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 2-40
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 2-31
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 2-33
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 2-31
What Will You See After an Airbag Inflates? . . . . . . . . . . 2-32 Airbag System (cont.)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 2-29
Where Are the Airbags? . . . . . . 2-27
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 2-38
Passenger Status Indicator . . . 4-15
Readiness Light . . . . . . . . . . . . . . 4-15
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 2-38
System Check . . . . . . . . . . . . . . . . 2-25
Alarm System Anti-Theft . . . . . . . . . . . . . . . . . . . . . 1-13
All-Wheel Drive . . . . . . . . . . 8-38, 9-26
AM-FM Radio . . . . . . . . . . . . . . . . . . 6-11
Antenna Multi-Band . . . . . . . . . . . . . . . . . . . . 6-18
Anti-Theft Alarm System . . . . . . . . . . . . . . . . 1-13
Alarm System Messages . . . . . 4-34 Antilock Brake
System (ABS) . . . . . . . . . . . . . . . . 8-39
Warning Light . . . . . . . . . . . . . . . . . 4-20
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 9-85
Interior . . . . . . . . . . . . . . . . . . . . . . . . 9-89
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . 12-6
Audio Players . . . . . . . . . . . . . . . . . 6-18 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Audio System
Radio Reception . . . . . . . . . . . . . . 6-17
Theft-Deterrent Feature . . . . . . . . 6-2
Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Automatic Transmission . . . . . . . 8-35
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Manual Mode . . . . . . . . . . . . . . . . . 8-37
Shiftlock Control SystemCheck . . . . . . . . . . . . . . . . . . . . . . . 9-27
Auxiliary Devices . . . . . . . . 6-27, 6-30

i-4 INDEX
E
ECO Button . . . . . . . . . . . . . . . . . . . 8-38
Economy ModeFuel . . . . . . . . . . . . . . . . . . . . . . . . . . 8-38
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . 8-66
Electrical System
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 9-39
Fuses . . . . . . . . . . . . . . . . . . . . . . . . 9-38
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 9-42
Engine Air Cleaner/Filter . . . . . . . . . . . . . 9-13
Check and Service EngineSoon Lamp . . . . . . . . . . . . . . . . . . 4-17
Compartment Overview . . . . . . . . 9-6
Coolant . . . . . . . . . . . . . . . . . . . . . . . 9-16
Coolant Heater . . . . . . . . . . . . . . . 8-31
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 4-14 Engine (cont.)
Cooling System . . . . . . . . . . . . . . . 9-15
Cooling System Messages . . . 4-31
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
Drive Belt Routing . . . . . . . . . . . . 11-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 8-34
Overheating . . . . . . . . . . . . . . . . . . 9-20
Power Messages . . . . . . . . . . . . . 4-32
Pressure Light . . . . . . . . . . . . . . . . 4-23
Running While Parked . . . . . . . . 8-34
Starting . . . . . . . . . . . . . . . . . . . . . . . 8-29
Engine Oil Life System . . . . . . . . . . . . . . . . . . . 9-12
Messages . . . . . . . . . . . . . . . . . . . . 4-31
Entry Lighting . . . . . . . . . . . . . . . . . . . 5-4
Equipment, Towing . . . . . . . . . . . . 8-65
Event Data Recorders . . . . . . . . 12-15
Extender, Safety Belt . . . . . . . . . . 2-23
Exterior Lamp Controls . . . . . . . . . 5-1
F
Filter Engine Air Cleaner . . . . . . . . . . . 9-13
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 5-2
Flashers, Hazard Warning . . . . . . 5-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . 9-67
Flat Tire, Changing . . . . . . . . . . . . 9-69
Fluid Automatic Transmission . . . . . . 9-13
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 9-24
Power Steering . . . . . . . . . . . . . . . 9-21
Washer . . . . . . . . . . . . . . . . . . . . . . . 9-22
Fog Lamps Bulb Replacement . . . . . . . 5-3, 9-34
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . 2-3
Heated . . . . . . . . . . . . . . . . . . . . . . . . 2-7

INDEX i-7
Lights (cont.)Fog Lamps . . . . . . . . . . . . . . . . . . . 4-25
Fuel Economy . . . . . . . . . . . . . . . . 4-23
High-Beam On . . . . . . . . . . . . . . . . 4-24
High/Low Beam Changer . . . . . . 5-2
Low Fuel Warning . . . . . . . . . . . . 4-24
Safety Belt Reminders . . . . . . . . 4-14
Security . . . . . . . . . . . . . . . . . . . . . . 4-24
Tire Pressure . . . . . . . . . . . . . . . . . 4-22
Traction Control System
(TCS)/StabiliTrak
®. . . . . . . . . . 4-21
Traction Off . . . . . . . . . . . . . . . . . . . 4-21
Locks Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Power Door . . . . . . . . . . . . . . . . . . . . 1-7
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Loss of Control . . . . . . . . . . . . . . . . . 8-7
Low Fuel Warning Light . . . . . . . . 4-24
Lower Anchors and Tethers for Children (LATCH
SYSTEM) . . . . . . . . . . . . . . . . . . . . 2-49
Lumbar Adjustment . . . . . . . . . . . . . 2-5 Front Seats . . . . . . . . . . . . . . . . . . . . 2-5
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . 10-10
Maintenance Schedule Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 10-7
Scheduled Maintenance . . . . . . 10-2
Malfunction Indicator Lamp . . . . 4-17
Manual Mode . . . . . . . . . . . . . . . . . . 8-37
Mass Storage Media (MEM) . . . 6-24
Messages Airbag System . . . . . . . . . . . . . . . . 4-34
Anti-Theft Alarm System . . . . . . 4-34
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 4-29
Brake System . . . . . . . . . . . . . . . . 4-30
Compass . . . . . . . . . . . . . . . . . . . . . 4-30
Door Ajar . . . . . . . . . . . . . . . . . . . . . 4-30
Engine Cooling System . . . . . . . 4-31
Engine Oil . . . . . . . . . . . . . . . . . . . . 4-31
Engine Power . . . . . . . . . . . . . . . . 4-32
Fuel System . . . . . . . . . . . . . . . . . . 4-32 Messages (cont.)
Key and Lock . . . . . . . . . . . . . . . . . 4-33
Object Detection System . . . . . 4-33
Ride Control System . . . . . . . . . . 4-33
Safety Belt . . . . . . . . . . . . . . . . . . . . 4-34
Service Vehicle . . . . . . . . . . . . . . . 4-34
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Transmission . . . . . . . . . . . . . . . . . 4-35
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 4-29
Vehicle Reminder . . . . . . . . . . . . . 4-36
Washer Fluid . . . . . . . . . . . . . . . . . 4-36
Mirrors Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . 1-16
Convex . . . . . . . . . . . . . . . . . . . . . . . 1-14
Heated . . . . . . . . . . . . . . . . . . . . . . . 1-15
Park Tilt . . . . . . . . . . . . . . . . . . . . . . 1-15
Power . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . 9-53
Multi-Band Antenna . . . . . . . . . . . . 6-18