Hummer 2004 H2 - Manual (Page 279)

What is the worst time for this? “Wet ice.” Very cold
snow or ice can be slick and hard to drive on. But wet
ice can be even more trouble because it may offer
the least traction of all. You can get wet ice when it is
about freezing (32°F; 0°C) and freezing rain begins
to fall. Try to avoid driving on wet ice until salt and sand
crews can get there.
Whatever the condition — smooth ice, packed, blowing
or loose snow — drive with caution.
Your Traction Control System will help you to maintain
control of the vehicle when you accelerate on a
slippery road. If you are driving in deep snow, turn your
traction system to the TC2 mode. It will improve your
ability to accelerate. See If You Are Stuck: In Sand,
Mud, Ice or Snow on page 4-56. Even though your
vehicle has a traction system, you will want to slow down
and adjust your driving to the road conditions. See
Traction Control System (TCS) on page 4-9.
Your anti-lock brakes improve your vehicle’s stability
when you make a hard stop on a slippery road.
Even though you have an anti-lock braking system, you
will want to begin stopping sooner than you would on
dry pavement. See Braking on page 4-6.
• Allow greater following distance on any
slippery road.
• Watch for slippery spots. The road might be fine
until you hit a spot that is covered with ice. On
an otherwise clear road, ice patches may appear in
shaded areas where the sun can not reach:
around clumps of trees, behind buildings or under
bridges. Sometimes the surface of a curve or
an overpass may remain icy when the surrounding
roads are clear. If you see a patch of ice ahead
of you, brake before you are on it. Try not to brake
while you’re actually on the ice, and avoid sudden
steering maneuvers.
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