Cadillac 2005 CTS Owner's Manual page 142

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.
Applying the brake or shifting into a lower gear will
take you out of cruise control. If you need to apply
the brake or shift to a lower gear due to the grade
of the downhill slope, you may not want to attempt
to use your cruise control feature.
3-16
Ending Cruise Control
To end a cruise control session, step lightly on the
brake pedal. If your vehicle has a manual transmission,
lightly tapping the clutch will end a cruise control
session also.
Stepping on the brake or clutch pedal will end the
current cruise control session only. Move the cruise
control switch to off to turn off the system completely.
Erasing Speed Memory
When you turn off the cruise control or the ignition,
your cruise control set speed memory is erased.