Black plate (34,1)
Chevrolet Spark EV Owner Manual (GMNA-Localizing-U.S./Canada-
5853485) - 2014 - CRC - 4/2/13
10-34
Vehicle Care
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 on
page 10-44
.
Vehicle Capacity Weight
:
The number of designated
seating positions multiplied by
68 kg (150 lbs) plus the rated
cargo load. See
Vehicle Load
Limits on page 9-10
.
Vehicle Maximum Load on the
Tire
:
Load on an individual tire
due to curb weight, accessory
weight, occupant weight, and
cargo weight.
Vehicle Placard
:
A label
permanently attached to a
vehicle showing the vehicle's
capacity weight and the
original equipment tire size
and recommended inflation
pressure. See
“
Tire and Loading
Information Label
”
under
Vehicle
Load Limits on page 9-10
.
Tire Pressure
Tires need the correct amount
of air pressure to operate
effectively.
{
Caution
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.