Chevrolet 2015 Impala Owner's Manual page 243

9-34 Driving and Operating
(On/Off): Press to turn cruise
control on or off. A white indicator
comes on in the instrument cluster
when cruise is on.
+RES (Resume/Accelerate): If
there is a set speed in memory,
press briefly to resume to that
speed or press and hold to
accelerate. If cruise control is
already active, use to increase
vehicle speed.
SET : Press briefly to set the
speed and activate cruise control.
If cruise control is already active,
use to decrease vehicle speed.
(Cancel): Press to disengage
cruise control without erasing the
selected set speed.
Setting Cruise Control
If is on when not in use, SET or
+RES could get pressed and go into
cruise when not desired. Keep
off when cruise is not being used.
1. Press to turn the cruise
control system on.
2. Get up to the desired speed.
3. Press and release SET .
4. Remove foot from the
accelerator.
The cruise control indicator on the
instrument cluster turns green after
the cruise control has been set to
the desired speed. See Instrument
Cluster on page 5-9.
Resuming a Set Speed
If the cruise control is set at a
desired speed and then the brakes
are applied or is pressed, the
cruise control is disengaged without
erasing the set speed from memory.
Once the vehicle speed is 40 km/h
(25 mph) or greater, briefly press
+RES. The vehicle returns to the
previous set speed.
Increasing Speed While Using
Cruise Control
If the cruise control system is
already activated:
Press and hold +RES until the
desired speed is reached, then
release it.
To increase vehicle speed in
small increments, briefly press
+RES. For each press, the
vehicle goes about 1.6 km/h
(1 mph) faster.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster on
page 5-9. The increment value used
depends on the units displayed.
Reducing Speed While Using
Cruise Control
If the cruise control system is
already activated:
Press and hold SET until the
desired lower speed is reached,
then release it.