Cadillac CTC 2005 Owner's Manual page 263

Driving on Snow or Ice
Most of the time, those places where your tires meet
the road probably have good traction.
However, if there is snow or ice between your tires and
the road, you can have a very slippery situation. You
will have a lot less traction, or grip, and will need to be
very careful.
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.
Traction control improves your ability to accelerate when
driving on a slippery road. Even though your vehicle
has a traction control system, you will want to slow down
and adjust your driving to the road conditions. Under
certain conditions, you may want to turn the traction
control system off, such as when driving through deep
snow and loose gravel, to help maintain vehicle
motion at lower speeds. See Traction Control System
(TCS) (CTS) on page 4-8 or Traction Control System
(TCS) (CTS-V) on page 4-10 . Also see Stabilitrak
System on page 4-11 , If You Are Stuck: In Sand, Mud,
Ice or Snow on page 4-32 , "Winter Tires" under Tires
on page 5-54 , and "Winter Driving Mode Button" under
Automatic Transmission Operation on page 2-26 .
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