Chevrolet 2002 Camaro Owner's Manual page 109

Resuming a Set Speed
Suppose you set your cruise control at a desired speed
and then apply the brake or clutch pedal. This, of course,
shuts off the cruise control. But you don't need to
reset it.
Once you're going about 25 mph (40 km/h) or more,
you can move the cruise control switch from ON to
R/A (Resume/Accelerate) briefly.
You'll go right back up to your chosen speed and
stay there.
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Increasing Speed While Using Cruise Control
There are three ways to go to a higher speed:
D
Use the accelerator pedal to get to the higher speed.
Push the set button at the end of the lever, then
release the button and the accelerator pedal.
You'll now cruise at the higher speed.
D
To increase your speed in very small amounts,
briefly move the switch to R/A and then release it.
Each time you do this, your vehicle will go about
1 mph (1.6 km/h) faster.
D
Move the cruise switch from ON to R/A. Hold it
there until you get up to the speed you want,
and then release the switch.