Low-Profile Tires; Tire Sidewall Labeling - GMC LYRIQ 2023 Owner's Manual

vehicle does not come with a
spare tire or tire changing
equipment.

Low-Profile Tires

If the vehicle has
265/50R20 or 275/40R22
size tires, they are
classified as low-profile
tires.
Caution
Low-profile tires are more
susceptible to damage from
road hazards or curb impact
than standard profile tires.
Tire and/or wheel assembly
damage can occur when
coming into contact with
road hazards like potholes,
or sharp edged objects,
or when sliding into a curb.
The warranty does not
cover this type of damage.
Keep tires set to the correct
inflation pressure and when
(Continued)
Caution (Continued)
possible, avoid contact with
curbs, potholes, and other
road hazards.

Tire Sidewall Labeling

Useful information about a
tire is molded into its
sidewall. The example
shows a typical passenger
tire sidewall.
Passenger Tire Example
Vehicle Care
(1) Tire Size The tire size
:
is a combination of letters
and numbers used to
define a particular tire's
width, height, aspect ratio,
construction type, and
service description. See the
Tire Size illustration later
in this section.
(2) TPC Spec (Tire
Performance Criteria
Specification) Original
:
equipment tires designed
to GM's specific tire
performance criteria have a
TPC specification code
molded onto the sidewall.
GM's TPC specifications
meet or exceed all federal
safety guidelines.
(3) DOT (Department of
Transportation) The
:
Department of
Transportation (DOT) code
indicates that the tire is in
compliance with the U.S.
337