GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-17942154) - 2025
356 Vehicle Care
How to Check
U
s
e agood quality pocket-type gauge to
check tire pressure. Proper tire inflation
cannot be determined by looking at the
tire. Check the tire inflation pressure when
the tires are cold, meaning the vehicle has
not been driven for at least three hours or
no more than 1.6 km (1 mi).
Remove the valve cap from the tire valve
stem. Press the tire gauge firmly onto the
valve to get apressure measurement. If
the cold tire inflation pressure matches
the recommended pressure on the Tire
and Loading Information label, no further
adjustment is necessary. If the inflation
pressure is low, add air until the
recommended pressure is reached. If the
inflation pressure is high, press on the
metal stem in the center of the tire valve to
release air.
Re-check the tire pressure with the
tire gauge.
Put the valve caps back on the valve stems
to keep out dirt and moisture.Use only
valve caps designed for the vehicle by
GM.TPMS sensors could be damaged
an
d would not be covered by the
vehicle warranty.
Tire Pressure for High-Speed
Operation
{ Warning
D
riving at high speeds, 160 km/h (100
mp
h) or higher, puts additional strain
on tires. Sustained high-speed driving
causes excessive heat buildup and can
cause sudden tire failure. This could cause
acrash, and you or others could be
killed. Some high-speed rated tires require
inflation pressure adjustment for high-
speed operation. When speed limits and
road conditions allow the vehicle to be
driven at high speeds, make sure the tires
are rated for high-speed operation, are
in excellent condition, and are set to the
correct cold tire inflation pressure for the
vehicle load.