GMC Yukon XL 2015 Owner's Manual page 248

cannot be used until the plus/minus
button on the shift lever is used to
change to the range.
In vehicles with gasoline engines,
when the shift lever is moved from
D (Drive) to M (Manual Mode), a
downshift may occur. The gear that
the transmission is operating in
when the shift lever is moved from
D (Drive) to M (Manual Mode)
determines if a downshift occurs.
See the following chart.
Gear before shifting from D
(Drive) to M (Manual Mode)
Range after shifting from D
(Drive) to M (Manual Mode)
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode on page 9-36.
While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Caution
Spinning the tires or holding the
vehicle in one place on a hill
using only the accelerator pedal
may damage the transmission.
The repair will not be covered by
the vehicle warranty. If you are
stuck, do not spin the tires. When
stopping on a hill, use the brakes
to hold the vehicle in place.
Driving and Operating
6th 5th 4th 3rd
M4 M4 M3 M2
Low Traction Mode
Low Traction Mode assists in
vehicle acceleration when road
conditions are slippery, such as with
ice or snow. While the vehicle is at a
stop, select M2 using Range
Selection Mode. This will limit
torque to the wheels and help to
prevent the tires from spinning.
9-35
2nd 1st
M2 M1