GMC 2014 Yukon/Yukon XL Owner's Manual page 378

Worn or old tires can
cause a crash. If the tread
is badly worn,
replace them.
Replace any tires that
have been damaged by
impacts with potholes,
curbs, etc.
Improperly repaired tires
can cause a crash. Only
the dealer or an
authorized tire service
center should repair,
replace, dismount, and
mount the tires.
Do not spin the tires in
excess of 56 km/h
(35 mph) on slippery
surfaces such as snow,
mud, ice, etc. Excessive
spinning may cause the
tires to explode.
If the vehicle has 20 inch P275/
55R20 size tires, they are
classified as touring tires and
are designed for on road use.
The low profile, wide tread
design is not recommended for
off road driving. See
, for
additional information.
This vehicle may come with
all-season tires. These tires are
designed to provide good overall
performance on most road surfaces
and weather conditions. Original
equipment tires designed to GM's
specific tire performance criteria
have a TPC specification code
molded onto the sidewall. Original
equipment all-season tires can be
identified by the last two characters
of this TPC code, which will
be MS.
Consider installing winter tires on
the vehicle if frequent driving on
snow or ice-covered roads is
expected. All-season tires provide
adequate performance for most
winter driving conditions, but they
may not offer the same level of