Chevrolet 1994 Lumina Owner's Manual page 69

Here's the second way to go to a higher
speed:
1.
2.
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"
for less than half a second 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 only work
after you turn on the Cruise Control by
pushing the "SET" button.
To Reduce Speed While
Using Cruise Control
There are two ways to reduce your speed
while using Cruise Control:
0
0
Push in the 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 button for less than half a
second. 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.
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