GMC 2003 Envoy - Manual (Page 351)

Tires
Your new vehicle comes with high-qt/alily tires mgrie by
g leading lire manulacturer. If you ever have Cfueslions
aboul your lire warranty and where to obtain service,
sea your Warmnty booklel für delails,
A CAUTION:
Poorly maintained and improperly used tires
are dangerous.
• Overloading your Tiros can cause
overheating as & result of too much
fricLion. You could have an air-oul and a
serious accident. See '^Loading Your
Vehicle” in the Inde*.
CAUTIONi (Continued)
CAUTION: (Continued)
Underinlleled tires pose the same danger
Bs Overloaded tires. The resulting accident
could cause serious injury. Check all tires
frequently to maintain the recommended
pressure. Tire pressure should be checked
when your tires are coidn
Over inflated lires are more likely to be
cut, punctured or broken by a sudden
Impact — such as when you hfl a pothole.
Keep tires at the recommended pressure.
Worn, old tires can cause accidents.
It your tread is badly worn^ or If your tires
have been damaged, replace them.
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