traction control CADILLAC SRX 2009 1.G Owner's Manual

You need new tires if any of the following statements
are true:
You can see the indicators at three or more places
around the tire.
You can see 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.
The rubber in tires degrades over time, even if they are
not being used. This is also true for the spare tire, if
your vehicle has one. Multiple conditions affect how fast
this aging takes place, including temperatures, loading
conditions, and ination pressure maintenance. With
proper care and maintenance tires will typically wear
out before they degrade due to age. If you are unsure
about the need to replace your tires as they get
older, consult the tire manufacturer for more information.
Buying New Tires
GM has developed and matched specic tires for your
vehicle. The original equipment tires installed on
your vehicle, when it was new, were designed to meet
General Motors Tire Performance Criteria Specication
(TPC Spec) system rating. If you need replacement
tires, GM strongly recommends that you get tires with
the same TPC Spec rating. This way, your vehicle
will continue to have tires that are designed to give the
same performance and vehicle safety, during normal
use, as the original tires.
GM’s exclusive TPC Spec system considers over a
dozen critical specications that impact the overall
performance of your vehicle, including brake system
performance, ride and handling, traction control, and tire
pressure monitoring performance. GM’s TPC Spec
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 an MS
for mud and snow. SeeTire Sidewall Labeling on
page 5-50, for additional information.
GM recommends replacing tires in sets of four. This is
because uniform tread depth on all tires will help
keep your vehicle performing most like it did when the
tires were new. Replacing less than a full set of tires can
affect the braking and handling performance of your
vehicle. SeeTire Inspection and Rotation on page 5-64.
5-66

Different Size Tires and Wheels
If you add wheels or tires that are a different size than
your original equipment wheels and tires, this could
affect the way your vehicle performs, including its
braking, ride and handling characteristics, stability,
and resistance to rollover. Additionally, if your vehicle
has electronic systems such as anti-lock brakes, rollover
airbags, traction control, and electronic stability control,
the performance of these systems can be affected.
{CAUTION:
If you add different sized wheels, your vehicle may
not provide an acceptable level of performance and
safety if tires not recommended for those wheels
are selected. You may increase the chance that you
will crash and suffer serious injury. Only use GM
specic wheel and tire systems developed for your
vehicle, and have them properly installed by a GM
certied technician.
SeeBuying New Tires on page 5-66andAccessories
and Modifications on page 5-3for additional information.
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.
5-68

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.
5-69

Tire Chains
{CAUTION:
If your vehicle has P255/50R20 size tires, do not
use tire chains. They can damage your vehicle
because there is not enough clearance. Tire
chains used on a vehicle without the proper
amount of clearance can cause damage to the
brakes, suspension, or other vehicle parts. The
area damaged by the tire chains could cause you
to lose control of your vehicle and you or others
may be injured in a crash.
Use another type of traction device only if its
manufacturer recommends it for use on your
vehicle and tire size combination and road
conditions. Follow that manufacturer’s instructions.
CAUTION: (Continued)
CAUTION: (Continued)
To help avoid damage to your vehicle, drive
slowly, readjust or remove the device if it is
contacting your vehicle, and do not spin the
vehicle’s wheels.
If you do nd traction devices that will t, install
them on the rear tires.
Notice:If your vehicle has a tire size other than
P255/50R20 use tire chains only where legal and only
when you must. Use chains that are the proper size
for your tires. Install them on the tires of the rear axle.
Do not use chains on the tires of the front axle.
Tighten them as tightly as possible with the ends
securely fastened. Drive slowly and follow the chain
manufacturer’s instructions. If you can hear the
chains contacting your vehicle, stop and retighten
them. If the contact continues, slow down until it
stops. Driving too fast or spinning the wheels with
chains on will damage your vehicle.
5-72

J
Jump Starting.................................................5-38
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-50
Lamp
Malfunction Indicator....................................3-39
Lamps
Exterior Lighting Battery Saver......................3-18
Reading.....................................................3-19
Lap-Shoulder Belt...........................................1-27
LATCH System for Child Restraints...................1-43
Level Control..................................................4-38
Liftgate, Power...............................................2-12
Light
Airbag Readiness........................................3-32
Antilock Brake System (ABS) Warning............3-37
Brake System Warning.................................3-36Light (cont.)
Charging System.........................................3-35
Cruise Control.............................................3-44
Engine Coolant Temperature Warning.............3-38
Fog Lamp ..................................................3-43
Highbeam On.............................................3-44
Lights On Reminder.....................................3-43
Oil Pressure...............................................3-42
Passenger Airbag Status Indicator..................3-33
Safety Belt Reminders..................................3-31
Security.....................................................3-43
TCS Warning Light......................................3-37
Tire Pressure..............................................3-39
Tow/Haul Mode...........................................3-44
Traction Control System (TCS) Warning..........3-37
Lighting
Entry.........................................................3-18
Parade Dimming..........................................3-18
Lights............................................................3-15
Flash-to-Pass............................................... 3-9
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-16
Limited-Slip Rear Axle....................................... 4-8
Loading Your Vehicle.......................................4-30
Lockout Protection
..........................................2-11
7

Tires (cont.)
Wheel Replacement.....................................5-70
When It Is Time for New Tires......................5-65
Winter Tires................................................5-49
Tow/Haul Mode ...............................................2-31
Tow/Haul Mode Light.......................................3-44
Towing
Recreational Vehicle.....................................4-36
Towing a Trailer..........................................4-39
Your Vehicle...............................................4-36
Traction
Control System (TCS).................................... 4-6
Control System Warning Light.......................3-37
Limited-Slip Rear Axle.................................... 4-8
Magnetic Ride Control................................... 4-8
Stabilitrak
®System........................................ 4-6
Transmission
Fluid, Automatic...........................................5-22
Transmission Operation, Automatic....................2-27
Turn and Lane-Change Signals.......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
U
Ultrasonic Rear Parking Assist (URPA)..............2-41
Uniform Tire Quality Grading............................5-68
Universal Home Remote System.......................2-47
Operation...................................................2-47
V
Vehicle
Control........................................................ 4-3
Loading......................................................4-30
Running While Parked..................................2-37
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-60
Vehicle Data Recording and Privacy..................7-16
Vehicle Identication
Number (VIN).............................................5-97
Service Parts Identication Label...................5-97
Vehicle, Remote Start....................................... 2-7
Ventilation Adjustment......................................3-26
Visors...........................................................2-18
W
Warning Lights, Gages, and Indicators...............3-29
Warnings
DIC Warnings and Messages........................3-51
Hazard Warning Flashers............................... 3-6
Safety and Symbols......................................... iv
Washer, Headlamps........................................3-12
Wheels
Alignment and Tire Balance..........................5-70
Different Size..............................................5-68
Replacement...............................................5-70
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