2010 GMC YUKON XL tires

Tire and Loading Information Label
Label Example
A vehicle specific Tire and Loading Information
label is attached to the center pillar (B-pillar).
With the driver's door open, you will find the
label attached below the door lock post (striker).
The tire and loading information label shows the
number of occupant seating positions (A), and the
maximum vehicle capacity weight (B) in kilograms
and pounds.The Tire and Loading Information label also
shows the size of the original equipment tires (C)
and the recommended cold tire inflation
pressures (D). For more information on tires and
inflation see
Tires
on page 6‑63andInflation - Tire
Pressure
on page 6‑72.
There is also important loading information on
the vehicle Certification/Tire label. It tells you the
Gross Vehicle Weight Rating (GVWR) and the
Gross Axle Weight Rating (GAWR) for the front
and rear axles. See “Certification/Tire Label” later
in this section.
Steps for Determining Correct Load Limit
1.Locate the statement “The combined weight
of occupants and cargo should never exceed
XXX kg or XXX lbs” on your vehicle's placard.
2.Determine the combined weight of the driver
and passengers that will be riding in your
vehicle.
3.Subtract the combined weight of the driver
and passengers from XXX kg or XXX lbs.
5-32

Refer to your vehicle's tire and loading information
label for specific information about your
vehicle's capacity weight and seating positions.
The combined weight of the driver, passengers,
and cargo should never exceed your vehicle's
capacity weight.
Certification/Tire Label
A vehicle specific Certification/Tire label is found
on the rear edge of the driver's door. The label
shows the size of your vehicle's original tires andthe inflation pressures needed to obtain the
gross weight capacity of your vehicle. This is
called Gross Vehicle Weight Rating (GVWR).
The GVWR includes the weight of the vehicle,
all occupants, fuel, and cargo.
The Certification/Tire label also tells you the
maximum weights for the front and rear axles,
called Gross Axle Weight Rating (GAWR).
To find out the actual loads on your front and
rear axles, you need to go to a weigh station
and weigh your vehicle. Your dealer can help
you with this. Be sure to spread out your load
equally on both sides of the centerline.
Never exceed the GVWR for your vehicle, or the
GAWR for either the front or rear axle.
The Certification/Tire label also contains
information about your Front Axle Reserve
Capacity.
5-35

Pulling A Trailer
Here are some important points:
.There are many different laws, including speed
limit restrictions, having to do with trailering. Make
sure the rig will be legal, not only where you live
but also where you will be driving. A good source
for this information can be state or provincial
police.
.Consider using a sway control. See“Hitches”later
in this section.
.Do not tow a trailer at all during the first 500 miles
(800 km) the new vehicle is driven. The engine,
axle or other parts could be damaged.
.Then, during the first 500 miles (800 km) that a
trailer is towed, do not drive over 50 mph (80 km/h)
and do not make starts at full throttle. This helps
the engine and other parts of the vehicle wear in
at the heavier loads.
.Vehicles can tow in D (Drive). Shift the
transmission to a lower gear if the transmission
shifts too often under heavy loads and/or hilly
conditions.
.If the vehicle has the Side Blind Zone Alert (SBZA)
system and it doesn't seem to be working properly
while pulling a trailer, turn the system off. See Side
Blind Zone Alert (SBZA)
on page 3‑60for more
information. Important considerations that have to do with weight:
.The weight of the trailer
.The weight of the trailer tongue
.The weight on the vehicle's tires
.And the weight of the trailering combination
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how the rig is used. Speed, altitude,
road grades, outside temperature and how much the
vehicle is used to pull a trailer are all important. It can
depend on any special equipment on the vehicle, and
the amount of tongue weight the vehicle can carry.
See
“Weight of the Trailer Tongue” later in this section
for more information.
Trailer weight rating (TWR) is calculated assuming the
tow vehicle has only the driver but all required trailering
equipment. Weight of additional optional equipment,
passengers and cargo in the tow vehicle must be
subtracted from the trailer weight rating.
Use the following chart to determine how much the
vehicle can weigh, based upon the vehicle model and
options.
5-50

Do not exceed the maximum allowable tongue weight
for the vehicle. Choose the shortest hitch extension that
will position the hitch ball closest to the vehicle. This will
help reduce the effect of trailer tongue weight on the
rear axle.
Trailering may be limited by the vehicle's ability to carry
tongue weight. Tongue or kingpin weight cannot cause
the vehicle to exceed the GVWR (Gross Vehicle Weight
Rating) or the RGAWR (Rear Gross Axle Weight
Rating). See“Total Weight on the Vehicle's Tires”
later in this section for more information.
After loading the trailer, weigh the trailer and then the
tongue, separately, to see if the weights are proper.
If they are not, adjustments might be made by moving
some items around in the trailer.
Total Weight on the Vehicle's Tires
Be sure the vehicle's tires are inflated to the inflation
pressures found on the Certification label on the drivers
door or see Loading the Vehicle
on page 5‑31for more
information. Make sure not to exceed the GVWR limit
for the vehicle, or the RGAWR, with the tow vehicle and
trailer fully loaded for the trip including the weight of the
trailer tongue. If using a weight distributing hitch, make
sure not to exceed the RGAWR before applying the
weight distribution spring bars.
Weight of the Trailering Combination
It is important that the combination of the tow
vehicle and trailer does not exceed any of its weight
ratings —GCWR, GVWR, RGAWR, Trailer Weight
Rating or Tongue Weight. The only way to be sure it is
not exceeding any of these ratings is to weigh the tow
vehicle and trailer combination, fully loaded for the trip,
getting individual weights for each of these items.
Hitches
The correct hitch equipment helps maintain combination
control. Most small-to-medium trailers can be towed
with a weight carrying hitch which simply features a
coupler latched to the hitch ball. Larger trailers may
require a weight distributing hitch that uses spring bars
to distribute the trailer tongue weight among the two
vehicle and trailer axles. See “Weight of the Trailer
Tongue” earlier in this section for rating limits with
various hitch types.
If a step-bumper hitch will be used, the bumper could
be damaged in sharp turns. Make sure there is ample
room when turning to avoid contact between the trailer
and the bumper.
Consider using sway controls with any trailer. Ask a
trailering professional about sway controls or refer
to the trailer manufacturer's recommendations and
instructions.
5-54

Driving with a Trailer
{WARNING:
When towing a trailer, exhaust gases may collect
at the rear of the vehicle and enter if the liftgate,
trunk/hatch, or rear-most window is open.
Engine exhaust contains carbon monoxide (CO)
which cannot be seen or smelled. It can cause
unconsciousness and even death.
To maximize safety when towing a trailer:
.Have the exhaust system inspected for leaks
and make necessary repairs before starting
a trip.
.Never drive with the liftgate, trunk/hatch,
or rear-most window open.
.Fully open the air outlets on or under the
instrument panel.
.Adjust the Climate Control system to a setting
that brings in only outside air and set the fan
speed to the highest setting. See Climate
Control System in the Index.
For more information about carbon monoxide, see
Engine Exhaust on page 3‑52. Towing a trailer requires a certain amount of
experience. The combination you are driving is
longer and not as responsive as the vehicle itself.
Get acquainted with the handling and braking of the
rig before setting out for the open road.
Before starting, check all trailer hitch parts and
attachments, safety chains, electrical connectors,
lamps, tires and mirrors. If the trailer has electric
brakes, start the combination moving and then apply
the trailer brake controller by hand to be sure the
brakes work.
During the trip, check occasionally to be sure that the
load is secure and the lamps and any trailer brakes
still work.
Following Distance
Stay at least twice as far behind the vehicle ahead as
you would when driving the vehicle without a trailer.
This can help to avoid heavy braking and sudden turns.
Passing
More passing distance is needed when towing a trailer.
The combination will not accelerate as quickly and is
longer so it is necessary to go much farther beyond the
passed vehicle before returning to the lane.
5-64

Section 6 Service and Appearance Care
Tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-63
Tire Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . . . . 6-64
Tire Terminology and Definitions . . . . . . . . . . . . . . . 6-69
Inflation - Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . 6-72
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . 6-73
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . 6-75
Tire Inspection and Rotation . . . . . . . . . . . . . . . . . . . 6-78
When It Is Time for New Tires . . . . . . . . . . . . . . . . . 6-79
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-80
Different Size Tires and Wheels . . . . . . . . . . . . . . . 6-82
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 6-82
Wheel Alignment and Tire Balance . . . . . . . . . . . . 6-84
Wheel Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-85
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-86
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-87
Changing a Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-88
Removing the Spare Tire and Tools . . . . . . . . . . . . 6-89
Removing the Flat Tire and Installing the Spare Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-94
Secondary Latch System . . . . . . . . . . . . . . . . . . . . . 6-100
Storing a Flat or Spare Tire and Tools . . . . . . . . 6-103
Spare Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-107 Appearance Care
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-108
Interior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-108
Fabric/Carpet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-109
Leather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-110
Instrument Panel, Vinyl, and Other Plastic Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-111
Care of Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . 6-111
Weatherstrips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-111
Washing Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 6-112
Cleaning Exterior Lamps/Lenses . . . . . . . . . . . . . 6-112
Finish Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-113
Windshield, Backglass, and Wiper Blades . . . . 6-114
Aluminum or Chrome-Plated Wheels and Trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-114
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-115
Sheet Metal Damage . . . . . . . . . . . . . . . . . . . . . . . . . 6-115
Finish Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-116
Underbody Maintenance . . . . . . . . . . . . . . . . . . . . . . 6-116
Chemical Paint Spotting . . . . . . . . . . . . . . . . . . . . . . 6-116
6-2

Brake Wear
This vehicle has disc brakes. Disc brake pads have
built-in wear indicators that make a high-pitched
warning sound when the brake pads are worn and new
pads are needed. The sound can come and go or be
heard all the time the vehicle is moving, except when
applying the brake pedal firmly.
{WARNING:
The brake wear warning sound means that soon
the brakes will not work well. That could lead to
an accident. When the brake wear warning sound
is heard, have the vehicle serviced.
Notice: Continuing to drive with worn-out brake
pads could result in costly brake repair.
Some driving conditions or climates can cause a brake
squeal when the brakes are first applied or lightly
applied. This does not mean something is wrong with
the brakes. Properly torqued wheel nuts are necessary to help
prevent brake pulsation. When tires are rotated, inspect
brake pads for wear and evenly tighten wheel nuts
in the proper sequence to torque specifications in
Capacities and Specifications on page 6‑126.
Brake linings should always be replaced as complete
axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not return to
normal height, or if there is a rapid increase in pedal
travel. This could be a sign that brake service might
be required.
Brake Adjustment
Every brake stop, the disc brakes adjust for wear.
6-44

What to Use
Refer to the Maintenance Schedule to determine what
kind of lubricant to use. SeeRecommended Fluids and
Lubricants on page 7‑11.
Headlamp Aiming
The vehicle has a visual optical headlamp aiming
system. The aim of the headlamps have been preset at
the factory and should need no further adjustment.
However, if the vehicle is damaged in a crash, the aim
of the headlamps may be affected and adjustment may
be necessary.
If oncoming vehicles flash their high beams at you, this
may mean the vertical aim of your headlamps needs to
be adjusted.
It is recommended that the vehicle is taken to your
dealer for service if the headlamps need to be adjusted.
It is possible however, to re-aim the headlamps as
described. The vehicle should:
.Be placed so the headlamps are 25 ft. (7.6 m) from
a light colored wall.
.Have all four tires on a level surface which is level
all the way to the wall.
.Be placed so it is perpendicular to the wall.
.Not have any snow, ice, or mud on it.
.Be fully assembled and all other work stopped
while headlamp aiming is being performed.
.Normally loaded with a full tank of fuel and one
person or 160 lbs (75 kg) sitting on the driver seat.
.Have the tires properly inflated.
.Have the spare tire is in its proper location in the
vehicle.
Headlamp aiming is done with the vehicle's low-beam
headlamps. The high-beam headlamps will be correctly
aimed if the low-beam headlamps are aimed properly.
6-55