Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13690472) - 2021 - CRC - 5/15/20
390 VEHICLE CARE
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 por tion of a tire that
comes into contact with the road.
Treadwear Indicators
: Narrow
bands, sometimes called wear
bars, that show across the tread of
a tire when only 1.6 mm (1/16 in)
of tread remains. See When It Is
Time for New Tires 0 398.
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 0 401.
Vehicle Capacity Weight
: The
number of designated seating
positions multiplied by
68 kg (150 lb) plus the rated cargo
load. See Vehicle Load Limits 0 236.
Vehicle Maximum Load on the
Tire
: Load on an individual tire
due to curb weight, accessor y
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 0 236.
Tire Pressure
Tires need the correct amount of
air pressure to operate effectively.
{
Warning
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.
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