Chevrolet TRACKER 2003 Manual page 120

Cruise
Control
Cruise control can be dangerous where
you can't drive safely at
a
steady speed.
So, don't use your cruise control on
winding roads or in heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes in tire traction can cause
needless wheel spinning, and you could
lose control. Don't use cruise control on
slippery roads.
If your vehicle has cruise control, you can maintain a
speed of about 25 mph (40 km/h) or more without
keeping your foot on the accelerator. This can really
help on long trips. Cruise control will not set at speeds
below about 25 mph (40 km/h).
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