GMC 2012 Canyon Owner's Manual page 228

If the cruise control is set at a
desired speed and then the brakes
are applied, the cruise control is
disengaged without erasing the set
speed from memory.
Once the vehicle speed reaches
about 40 km/h (25 mph) or more,
move the cruise control lever briefly
from to . The vehicle returns
to the previous set speed and
stays there.
If the lever is held at resume/
accelerate the vehicle keeps going
faster until the lever is released or
the brake is applied. Do not hold the
lever at resume/accelerate, unless
you want the vehicle to go faster.
If the cruise control system is
already activated,
Use the accelerator pedal to get
to the higher speed. Press
at the end of the lever, then
release the button and the
accelerator pedal. If the
accelerator pedal is held longer
than 60 seconds, cruise control
will turn off.
Move the cruise lever from to
. Hold it until the desired
speed is reached, and then
release the lever.
To increase the vehicle speed in
small amounts, move the lever
briefly to .
If the cruise control system is
already activated,
Press and hold
lower speed desired is reached,
then release it.
To slow down in small amounts,
briefly press .
Use the accelerator pedal to
increase the vehicle speed. When
you take your foot off the pedal,
the vehicle will slow down to the
previous set cruise control speed.
How well the cruise control works
on hills depends upon the vehicle
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 speed. When going
downhill, you might have to brake or
shift to a lower gear to keep the
vehicle speed down. When the
until the
brakes are applied the cruise control
is disengaged.