2007 GMC ACADIA warning

Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses
radio and sensor technology to check tire pressure
levels. TPMS sensors are mounted onto each
tire and wheel assembly, except the spare
tire. TPMS sensors monitor the air pressure in
your vehicle’s tires and transmit tire pressure
readings to a receiver located in the vehicle.
The TPMS is designed to alert the driver, if a low
tire pressure condition exists. If your vehicle has the
Driver Information Center (DIC), the driver can also
check tire pressure levels using the DIC.
When a low tire pressure condition is detected,
the TPMS illuminates the low tire pressure warning
symbol located on the instrument panel cluster.
If your vehicle has the DIC feature, a message
to check the pressure in a specic tire also
appears on the DIC display. The low tire pressure
warning symbol on the instrument panel cluster
and the CHECK TIRE PRESSURE warning
message on the DIC display appears at each
ignition cycle until the tires are inated tothe correct ination pressure. For additional
information and details about the DIC operation
and displays seeDIC Operation and Displays
(With DIC Buttons) on page 233orDIC Operation
and Displays (Without DIC Buttons) on page 239
andDIC Warnings and Messages on page 244.
You may notice, during cooler weather conditions,
the tire pressure monitor light, located on the
instrument panel cluster, and the CHECK TIRE
PRESSURE message appears when the vehicle
is rst started and then turn off as you start to drive
the vehicle. This could be an early indicator that
the tire pressures are getting low and need to
be inated to the proper pressure.
Each tire, including the spare (if provided), should
be checked monthly when cold and inated to
the ination pressure recommended by the vehicle
manufacturer on the vehicle placard or tire
ination pressure label. (If your vehicle has tires of
a different size than the size indicated on the
vehicle placard or tire ination pressure label,
you should determine the proper tire ination
pressure for those tires.)
444

Uniform Tire Quality Grading
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA Temperature A
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration (NHTSA), which
grades tires by treadwear, traction, and
temperature performance. This applies only to
vehicles sold in the United States. The grades are
molded on the sidewalls of most passenger car
tires. The Uniform Tire Quality Grading (UTQG)
system does not apply to deep tread, winter-type
snow tires, space-saver, or temporary use
spare tires, tires with nominal rim diameters of
10 to 12 inches (25 to 30 cm), or to some
limited-production tires.
While the tires available on General Motors
passenger cars and light trucks may vary with
respect to these grades, they must also conform
to federal safety requirements and additional
General Motors Tire Performance Criteria (TPC)
standards.
Treadwear
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specied
government test course. For example, a tire
graded 150 would wear one and a half (1.5) times
as well on the government course as a tire
graded 100. The relative performance of tires
depends upon the actual conditions of their use,
however, and may depart signicantly from
the norm due to variations in driving habits, service
practices, and differences in road characteristics
and climate.
Traction – AA, A, B, C
The traction grades, from highest to lowest, are
AA, A, B, and C. Those grades represent the tire’s
ability to stop on wet pavement as measured
under controlled conditions on specied
government test surfaces of asphalt and concrete.
A tire marked C may have poor traction
performance.
Warning:The traction grade assigned to this tire
is based on straight-ahead braking traction
tests, and does not include acceleration, cornering,
hydroplaning, or peak traction characteristics.
453

Temperature – A, B, C
The temperature grades are A (the highest), B,
and C, representing the tire’s resistance to
the generation of heat and its ability to dissipate
heat when tested under controlled conditions on a
specied indoor laboratory test wheel. Sustained
high temperature can cause the material of the tire
to degenerate and reduce tire life, and excessive
temperature can lead to sudden tire failure.
The grade C corresponds to a level of performance
which all passenger car tires must meet under
the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher levels
of performance on the laboratory test wheel
than the minimum required by law.
Warning:The temperature grade for this tire is
established for a tire that is properly inated
and not overloaded. Excessive speed,
underination, or excessive loading, either
separately or in combination, can cause heat
buildup and possible tire failure.
Wheel Alignment and Tire Balance
The tires and wheels on your vehicle were aligned
and balanced carefully at the factory to give you
the longest tire life and best overall performance.
Adjustments to wheel alignment and tire
balancing will not be necessary on a regular basis.
However, if you notice unusual tire wear or your
vehicle pulling to one side or the other, the
alignment may need to be checked. If you notice
your vehicle vibrating when driving on a smooth
road, your tires and wheels may need to be
rebalanced. See your dealer/retailer for proper
diagnosis.
Wheel Replacement
Replace any wheel that is bent, cracked, or badly
rusted or corroded. If wheel nuts keep coming
loose, the wheel, wheel bolts, and wheel
nuts should be replaced. If the wheel leaks air,
replace it (except some aluminum wheels,
which can sometimes be repaired). See your
dealer/retailer if any of these conditions exist.
Your dealer/retailer will know the kind of wheel
you need.
454

Changing a Flat Tire
If a tire goes at, avoid further tire and wheel
damage by driving slowly to a level place. Turn on
your vehicle’s hazard warning ashers. See
Hazard Warning Flashers on page 172for more
information.
{CAUTION:
Changing a tire can be dangerous. The
vehicle can slip off the jack and roll over
or fall on you or other people. You and
they could be badly injured or even killed.
Find a level place to change your tire.
To help prevent the vehicle from moving:
1. Set the parking brake rmly.
2. Put the shift lever in PARK (P).
CAUTION: (Continued)
CAUTION: (Continued)
3. Turn off the engine and do not restart
while the vehicle is raised.
4. Do not allow passengers to remain in
the vehicle.
To be even more certain the vehicle will
not move, you should put blocks at the
front and rear of the tire farthest away
from the one being changed. That would
be the tire, on the other side, at the
opposite end of the vehicle.
When your vehicle has a at tire, use the following
example as a guide to assist you in the placement
of wheel blocks.
458

A
Accessories and Modications..................... 385
Adding Equipment to Your
Airbag-Equipped Vehicle............................ 91
Additives, Fuel............................................ 389
Add-On Electrical Equipment....................... 489
Air Cleaner/Filter, Engine............................. 402
Air Conditioning..................................199, 203
Airbag
Passenger Status Indicator....................... 218
Readiness Light....................................... 217
Airbag System............................................... 76
What Will You See After an
Airbag Inates?...................................... 84
When Should an Airbag Inate?................. 81
Where Are the Airbags?............................. 79
Airbag Systems
Adding Equipment to Your
Airbag-Equipped Vehicle......................... 91
How Does an Airbag Restrain?.................. 83
Passenger Sensing System....................... 85
Servicing Your Airbag-Equipped Vehicle..... 90
What Makes an Airbag Inate?.................. 83All-Wheel Drive........................................... 430
All-Wheel-Drive (AWD) System.................... 339
Anti-Lock Brake System.............................. 335
Anti-Lock Brake, System Warning Light....... 223
Appearance Care
Aluminum or Chrome-Plated Wheels........ 484
Care of Safety Belts................................ 482
Chemical Paint Spotting........................... 486
Cleaning Exterior Lamps/Lenses.............. 483
Cleaning the Inside of Your Vehicle.......... 478
Fabric/Carpet........................................... 480
Finish Care.............................................. 483
Finish Damage......................................... 486
Instrument Panel, Vinyl, and
Other Plastic Surfaces.......................... 481
Leather.................................................... 481
Sheet Metal Damage............................... 486
Tires........................................................ 485
Underbody Maintenance........................... 486
Vehicle Care/Appearance Materials.......... 487
Washing Your Vehicle.............................. 482
Weatherstrips........................................... 482
Windshield, Backglass,
and Wiper Blades................................. 484
539

Audio System.............................................. 264
Audio Steering Wheel Controls................. 325
Care of Your CD and DVD Player............ 328
Care of Your CDs and DVDs................... 328
Navigation/Radio System,
see Navigation Manual......................... 311
Radio with CD......................................... 268
Rear Audio Controller (RAC).................... 324
Rear Seat Audio (RSA)............................ 322
Setting the Time...................................... 266
Theft-Deterrent Feature............................ 325
Understanding Radio Reception............... 326
Audio System(s)
Radio with CD and DVD.......................... 278
Automatic Transmission
Fluid........................................................ 404
Operation................................................. 129B
Battery........................................................ 424
Electric Power Management..................... 188
Run-Down Protection............................... 189
Before Leaving on a Long Trip.................... 352
Brake
Emergencies............................................ 336
Parking.................................................... 134
Brakes........................................................ 421
System Warning Light.............................. 222
Braking....................................................... 334
Braking in Emergencies............................... 336
Break-In, New Vehicle................................. 123
Bulb Replacement....................................... 432
Halogen Bulbs......................................... 432
Headlamp Aiming..................................... 431
High Intensity Discharge (HID) Lighting.... 432
License Plate Lamps................................ 433
Replacement Bulbs.................................. 433
Buying New Tires........................................ 450
540

C
Calibration................................................... 140
California Fuel............................................. 388
California Proposition 65 Warning................ 386
Canadian Owners........................................... 3
Capacities and Specications...................... 497
Carbon Monoxide..............110, 138, 356, 371
Care of
Safety Belts............................................. 482
Your CD and DVD Player........................ 328
Your CDs and DVDs................................ 328
Cargo Cover............................................... 163
Cargo Management System........................ 164
Cargo Tie Downs........................................ 163
CD, MP3 ............................................295, 301
Center Console Storage Area...................... 161
Chains, Tire................................................. 456
Charging System Light................................ 220
Check
Engine Light............................................ 226
Checking Things Under the Hood................ 394
Chemical Paint Spotting.............................. 486Child Restraints
Child Restraint Systems............................. 55
Infants and Young Children........................ 51
Lower Anchors and Tethers for Children..... 61
Older Children........................................... 48
Securing a Child Restraint in a
Rear Seat Position ................................. 69
Securing a Child Restraint in the
Right Front Seat Position........................ 72
Where to Put the Restraint........................ 60
Cleaning
Aluminum or Chrome-Plated Wheels........ 484
Exterior Lamps/Lenses............................. 483
Fabric/Carpet........................................... 480
Finish Care.............................................. 483
Inside of Your Vehicle.............................. 478
Instrument Panel, Vinyl,
and Other Plastic Surfaces................... 481
Leather.................................................... 481
Tires........................................................ 485
Underbody Maintenance........................... 486
Washing Your Vehicle.............................. 482
Weatherstrips........................................... 482
Windshield, Backglass,
and Wiper Blades................................. 484
541

Climate Control System............................... 199
Dual Automatic......................................... 203
Outlet Adjustment..................................... 210
Rear Air Conditioning and
Heating System.................................... 211
Rear Air Conditioning and
Heating System, Electronic................... 212
Clock.......................................................... 266
Collision Damage Repair............................. 530
Comfort Guides, Rear Safety Belt................. 43
Compact Spare Tire.................................... 477
Compass..................................................... 140
Content Theft-Deterrent............................... 118
Control of a Vehicle..................................... 334
Convenience Net......................................... 163
Coolant
Engine Temperature Gage........................ 225
Engine Temperature Warning Light........... 224
Heater, Engine......................................... 127
Cooling System........................................... 413Courtesy Lamps.......................................... 186
Cruise Control............................................. 180
Cruise Control Light.................................... 230
Cupholder(s)................................................ 161
Customer Assistance Information
Courtesy Transportation........................... 527
Customer Assistance for
Text Telephone (TTY) Users................. 522
Customer Assistance Offices.................... 522
Customer Satisfaction Procedure.............. 518
GM Mobility Reimbursement Program...... 523
Reporting Safety Defects to
General Motors..................................... 534
Reporting Safety Defects to the
Canadian Government.......................... 534
Reporting Safety Defects to the
United States Government.................... 533
Roadside Assistance Program.................. 524
Service Publications
Ordering Information............................. 535
542