GMC 2003 Envoy - Manual (Page 261)

After Off-Road Driving
Removes any brusti or debris thal bas collscteb on ihç
undarbody, chassis or under Ihe hood. Tfiese
accu'inulations can be a Tire hazard
After operation in mud or sand, have the brake linings
cleaned and checked. These substances can cause
glazing and uneven braking. Check the body striicture,
steering, suspension, wheels, (ires and exhaust
System for damage. AI So, check (he luSl (lines and
coolirig system for any leakage.
Your vQhicle wilt require more frequent service due lo
ofi-road use. Refer to the Maintenance Schoduia
(or additional informalion.
Driving at Night
Might tfrivjng is more dangerous than day driving. One
reascrt is lhal some drivers are likely (o be irnpairsd — by
alcohol or drugs, with nlghL vision problems. Or by Taligue.
Here are seme lips on nighl driving.
• Dnve defensively.
• Don't dnnk and drive.
A-2&