All-Terrain Tires; Tire Sidewall Labeling; Passenger (P-Metric)/Spare Tire - GMC 2014 Sierra Owner's Manual

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This vehicle may have All-Terrain

Tires. These tires provide good

performance on most road surfaces,

weather conditions, and for off-road

driving. See

The tread pattern on these tires may

wear more quickly than other tires.

Consider rotating the tires more

frequently than at 12 000 km

(7,500 mi) intervals if irregular wear

is noted when the tires are

inspected. See

Useful information about a tire is

molded into the sidewall. The

examples show a typical

passenger and light truck tire

The tire size code

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 for more detail.