GMC Yukon 2025 - Manual Mode; Drive Systems Four-Wheel Drive

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-17942154) - 2025
Driving and Operating 207
Cruise control can be used while the vehicle is
i
n
L (Low) mode.
Manual Mode
Electronic Range Select (ERS)
Caution
Driving with the engine at ahigh rpm
wi
thout upshifting while using Tap Shift,
could damage the vehicle. Always upshift
when necessary while using Tap Shift.
ERS, or Manual Mode, allows for the selection
of
the range of gear positions. Use this
mode when driving downhill or towing
atrailer to limit the top gear and vehicle
sp
eed. The shift position indicator within the
Driver Information Center (DIC) will display
anumber next to the Lindicating the highest
available gear.
To enter ERS or Manual Mode:
1. With the vehicle in D (Drive), press the L
(Low) button on steering wheel. The L in the
shift pattern will illuminate in red, and the
Dwill switch to white.
2. Tap the left steering wheel control to
reduce the highest gear available, or
the right control to increase the highest
gear available.
3. To exit L (Low) and shift into D (Drive), shift
to D (Drive) or press the L (Low) button. The
Din the shift pattern will illuminate in red,
and the Lwill switch to white.
When shifting to L (Low), the transmission will
shift to apreset lower gear range. For this
preset range, the highest gear available will
be displayed next to the Lin the DIC. See
Driver Information Center (DIC) 3124. All gears
below that number are available to use. For
example, when 4 (Fourth) is shown next to the
L, 1 (First) through 4 (Fourth) gears are shifted
automatically. To shift to 5 (Fifth) gear, tap
th
e right steering wheel control or shift into
D (Drive).
L (Low) will prevent shifting to alower gear
range if the engine speed is too high. If the
vehicle speed is not reduced within the time
allowed, the lower gear range shift will not
be completed. Slow the vehicle, then tap the
left steering wheel control to the desired lower
gear range.
Cruise control can be used while in ERS.
Drive Systems
Four-Wheel Drive
If equipped, four-wheel drive engages the front
axle for extra traction.
Read the appropriate section for transfer case
operation before using.
Caution
Do not drive on clean, dry pavement in 4m
or 4 n for an extended period of time. These
conditions may cause:
(Continued)