GMC Yukon XL 2015 Owner's Manual page 261

9-48 Driving and Operating
This vehicle has a Hydra-Matic
6-speed automatic transmission.
See Grade Braking under Tow/
Haul Mode on page 9-36 for an
explanation of how cruise control
interacts with the Range Selection
Mode, Tow/Haul Mode, and Grade
Braking systems.
This vehicle has StabiliTrak and
when the system begins to limit
wheel spin, the cruise control will
automatically disengage. See
Traction Control/Electronic Stability
Control on page 9-44. If a collision
alert occurs when cruise control is
activated, cruise control is
disengaged. See Forward Collision
Alert (FCA) System on page 9-61.
When road conditions allow the
cruise control to be safely used
again, it can be turned back on.
®
(On/Off): Press to turn the
system on or off. A white indicator
comes on in the instrument cluster.
SET (Set/Coast): Press briefly to
set the speed and activate cruise
control. If cruise control is already
active, use to decrease vehicle
speed.
+RES (Resume/Accelerate): If
there is a set speed in memory,
press to resume that speed or press
and hold to accelerate. If cruise
control is already active, use to
increase vehicle speed.
(Cancel): Press to disengage
cruise control without erasing the
set speed from memory.
Setting Cruise Control
If is on when not in use, SET or
+RES control could get pressed and
go into cruise when not desired.
Keep the cruise button off when
cruise is not being used.
The cruise control light on the
instrument cluster will come on
green after the cruise control has
been set to the desired speed.
1. Press to turn the cruise
system on.
2. Get up to the desired speed.
3. Press and release SET . The
desired set speed briefly
appears in the instrument
cluster.
4. Remove foot from the
accelerator.