GMC 2003 Envoy - Manual (Page 136)

Cruise Control If you apply your tirakfls. the cruise control lA/ill shul off.
I (On)^ Move the svuilch to this position to turn the
cruise coni rol sysiem cm.
+ [Resume/Accelerale)i Move the switch ta lhis
position to resume a set speed or to accelerate.
(Set): Press this butlon, located at Ihg end of the
lever, to set a speed,
О
(Oft): This posMion turns the cruise control system
off and cancels nnenriory of a set speed.
With cruise control, you can maintain a speed of about
25 mph [40 kmfh) or mane without keeping your foot
on ihe accelerator. This can really help on loi^g
trips. Cruise control does not work at speeds tmlow
about 25 mph (40 ктУЬ).
Cruise control can f>e dangerous where
you can't drive safely at a steady speeds
So, don't use ydur cruise control on
winding reads or In heavy traffic.
Cruise control can be dartgerous on
slippery roads. On such roads, fast
changes in tire traction can cause
needless wheel spinning, and you could
lose control, Dcn't use cruise control on
slippery Foads.
A CAUTION:
If you leave your cruise control on when you're
not using cruise, you might bit a button and go
into cruise when you don't want to. You could
be startled and even Eost control. Keep Ihe
oruise control switch off until you want to use
cruise control.
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