Cadillac 2009 DTS Owner's Manual page 157

Setting Cruise Control
CAUTION:
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If you leave your cruise control on when you
are not using cruise, you might hit a button and go
into cruise when you do not want to. You could be
startled and even lose control. Keep the cruise
control switch off until you want to use cruise
control.
The cruise control buttons
are located on left side of
the steering wheel.
I
(On): Turns on the cruise control system.
+ RES (Resume/Accelerate): Press to make the
vehicle accelerate or resume to a previously set speed.
SET– (Set): Press to set the speed.
[
(Cancel): Press to cancel cruise control.
Cruise control will not work if the parking brake is set, or
if the master cylinder brake fluid level is low.
If the brakes are applied, the cruise control shuts off.
The cruise light on the instrument panel cluster comes
on after the cruise control has been set to the desired
speed.
I
1. Press .
2. Get up to the desired speed.
3. Press the SET– button located on the steering
wheel and release it.
4. Take your foot off the accelerator.
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