Pontiac 2003 Aztek Owner's Manual page 148

Resuming a Set Speed
Suppose you set your cruise control at a desired speed
and then you apply the brake. 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.
If you hold the switch at R/A, the vehicle will keep going
faster until you release the switch or apply the brake. So
unless you want to go faster, don't hold the switch at R/A.
Increasing Speed While Using Cruise
Control
There are two ways to go to a higher speed:
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.
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. (To increase your speed in very
small amounts, move the switch to R/A briefly and
then release it. Each time you do this, your vehicle
will go about 1 mph (1.6 km/h) faster.)
The accelerate feature will work whether or not you
have set an initial cruise control speed.
Reducing Speed While Using Cruise
Control
There are two ways to reduce speed while using cruise
control:
Push in the SET button at the end of the lever
until you reach the lower speed you want, then
release it.
To slow down in very small amounts, push the SET
button briefly. Each time you do this, you'll go about
1 mph (1.6 km/h) slower.
Passing Another Vehicle While Using
Cruise Control
Use the accelerator pedal to increase your speed.
When you take your foot
off
the pedal, your vehicle will
slow down to the cruise control speed you set earlier.
Using Cruise Control on Hills
upon your speed, load and the steepness of the
hills. When going up steep hills, you may have to step
on the accelerator pedal to maintain your speed.
When going downhill, you may have to brake or shift to
a lower gear to keep your speed down. Of course,
appiying the brake takes you out of cruise controi. Many
drivers find this to be too much trouble and don't use
cruise control on steep hills.
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