GMC YUKON 2017 Owner's Manual page 232

In vehicles with gasoline engines,
when the shift lever is moved from
D (Drive) to L (Manual Mode), a
downshift may occur. The gear that
the transmission is operating in
when the shift lever is moved from
D (Drive) to L (Manual Mode)
determines if a downshift occurs.
See the following chart.
Gear before
shifting from
8th
D (Drive) to
L (Manual Mode)
Range after
shifting from
D (Drive) to
L6
L (Manual Mode)
Tow/Haul not
engaged
Range after
shifting from
D (Drive) to L6
L (Manual Mode)
Tow/Haul engaged
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode 0 232.
While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Driving and Operating
7th 6th 5th 4th
L6 L5 L4 L3
L5 L4 L3 L3
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
231
3rd 2nd 1st
L3 L2 L1
L3 L2 L1
Caution
(Continued)