Cadillac CTS 2008 Owner's Manual page 158

Reducing Speed While Using Cruise
Control
To reduce the vehicle's speed while using cruise
control:
•
Press and hold the SET– button on the steering
wheel until the desired lower speed is reached,
then release it.
•
To slow down in very small amounts, press the
SET– button on the steering wheel briefly.
Each time this is done, the vehicle goes about
1 mph (1.6 km/h) slower.
Passing Another Vehicle While Using
Cruise Control
Use the accelerator pedal to increase the vehicle's
speed. When you take your foot off the pedal, the
vehicle will slow down to the previous set cruise speed.
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Using Cruise Control on Hills
How well the cruise control works on hills depends upon
the vehicle's speed, load, and the steepness of the
hills. When going up steep hills, you might have to
step on the accelerator pedal to maintain the vehicle's
speed. When going downhill, you might have to brake
or shift to a lower gear to keep the vehicle's speed
down. When the brakes are applied the cruise control
turns off. Many drivers find this to be too much
trouble and do not use cruise control on steep hills.
Ending Cruise Control
There are three ways to end cruise control:
•
Step lightly on the brake pedal.
•
Press the clutch pedal to the floor (manual
transmissions).
•
Press the cancel button on the steering wheel.
•
Press the On/Off button on the steering wheel.
Erasing Speed Memory
The cruise control set speed memory is erased when
the cruise control or the ignition is turned off.