Hill And Mountain Roads; Winter Driving - GMC Hummer EV 2024 Owner's Manual

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16639039) -
2024 - CRC - 3/20/23
180 Driving and Operating
Have good tires with proper tread depth.
See Tires 0 300.
Turn off cruise control.

Hill and Mountain Roads

Warning
Do not charge your vehicle s battery
above an 80% charge if you are going to
drive down long, steep grades such as
mountain passes. This provides room in
the battery for regenerative braking to
supplement your conventional brakes
during the descent. This is especially
important when towing a trailer, which
puts additional stress on your vehicle s
braking system.
If the battery becomes full, regenerative
braking will be limited or unavailable. The
brakes will have to do all the work of
slowing down the vehicle and could
become too hot. Hot brakes may not be
able to slow the vehicle enough to
maintain speed and control. To help avoid
the risk of a crash, limit the battery s
(Continued)
Warning (Continued)
charge and, if you experience brake fade
or receive a brake warning, stop the
vehicle and allow the brakes to cool.
See Charge Now under Charging 0 117
for information on setting charge limits.
Driving on steep hills or through mountains
is different than driving on flat or rolling
terrain. Be sure to:
Use regenerative braking to help slow the
vehicle or maintain speed by keeping the
vehicle in gear and limiting the initial
battery charge to 80% or less. See
Regenerative Braking 0 197.
When braking is necessary, use frequent,
light taps of the brake pedal. This
maximizes regenerative braking and
minimizes the load on the vehicle brake
system.
Keep the vehicle serviced and in good
shape.
Check all fluid levels, brakes, tires, and
cooling system.
Drive at speeds that keep the vehicle in
its own lane. Do not swing wide or cross
the center line.
Be alert on top of hills; something could
be in your lane (e.g., stalled car, crash).
Pay attention to special road signs (e.g.,
falling rocks area, winding roads, long
grades, passing or no-passing zones) and
take appropriate action.

Winter Driving

Driving on Snow or Ice
Caution
To avoid damage to the wheels and
brake components, always clear snow and
ice from inside the wheels and
underneath the vehicle before driving.
Snow or ice between the tires and the road
creates less traction or grip, so drive
carefully. Wet ice can occur at about 0°C
(32°F) when freezing rain begins to fall.
Avoid driving on wet ice or in freezing rain
until roads can be treated.
For Slippery Road Driving:
Turn off cruise control.
If enabled, turn off One-Pedal Driving. See
One-Pedal Driving 0 193.