Acura 2011 RL Owner's Manual page 333

Decreasing the Set Speed
The set speed can be decreased
using the SET/DECEL button or the
brake pedal.
To decrease the set speed with the
SET/DECEL button, do this:
SET/DECEL BUTTON
Press and hold the SET/DECEL
button. Release the button when you
reach the speed you want.
To slow down in small amounts, tap
the SET/DECEL button repeatedly.
Each time you do this, your vehicle
slows down about 1 mph (1 km/h).
The set cruising speed will be shown
on the multi-information display.
On a steep downhill, the vehicle
speed may exceed the set cruising
speed.
To decrease the set speed with the
brake pedal, do this:
Tap the brake pedal. When the
vehicle slows down to the speed you
want, press the SET/DECEL button.
The set speed will be shown on the
multi-information display. If you use
the brake pedal to decrease speed,
and then press the RES/ACCEL
button, your vehicle will return to the
previously set speed.
Adaptive Cruise Control (ACC)
Detecting a Vehicle Ahead of You
U.S.
Canada
When the system detects a vehicle
ahead of you, a beeper sounds once
and a solid-line vehicle icon appears
on the multi-information display.
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