Tire Pressure - GMC Sierra 2018 Owner's Manual

384 Vehicle Care
Vehicle Capacity Weight
number of designated seating
positions multiplied by
68 kg (150 lb) plus the rated
cargo load. See Vehicle Load
Limits 0 238.
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
capacity weight and the original
equipment tire size and
recommended inflation pressure.
See Tire and Loading
Information Label under Vehicle
Load Limits 0 238.

Tire Pressure

Tires need the correct amount of
air pressure to operate
effectively.
The
:
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.
Caution
The Tire and Loading
Information label on the vehicle
indicates the original equipment
tires and the correct cold tire
inflation pressures. The
recommended pressure is the
minimum air pressure needed to
support the vehicle's maximum
load carrying capacity.
For additional information
regarding how much weight the
vehicle can carry, and an
example of the Tire and Loading
Information label, see Vehicle
Load Limits 0 238. How the
vehicle is loaded affects vehicle
handling and ride comfort. Never
load the vehicle with more
weight than it was designed to
carry.
When to Check
Check the tires once a month
or more.