Pontiac 1999 Firebird - Manual (Page 104)

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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) for about half a second.
You’ll go right back up to your chosen speed and
stay there.
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 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.
Reducing Speed While Using Cruise Control
There are two ways to reduce your speed while using
cruise control:
D Push in the button at the end of the lever until you
reach the lower speed you want, then release it.
D To slow down in very small amounts, briefly push
the button. Each time you do this, you’ll go 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
How well your cruise control will work on hills depends
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, applying the brake
takes you out of cruise control. Many drivers find this to
be too much trouble and don’t use cruise control on
steep hills.