GMC 1998 Safari Owner's Manual page 306

NOTICE: (Continued)
When to Check
Check your tires
once
a
month or mQre.
Don't forget your compact 'spare
tire.
It should
be at
60 psi (420 Ha).
How to Check
Use
a
good quality pocket-type
gage to check tire
pressure. You can't tell i€ your tires
are
properly
M a t e d
simply by
looking
at them,
Radial
tires
may look
properly inflated even when they're undminflated..
Be swe
to
put
the
vdve caps back on
the
valve stems.
They help
prevent leaks
by keeping out dirt
and moisture.
when rotating your tires, always
use the cmect
rotation
pattern shown here.
6-44