GMC 2003 Envoy - Manual (Page 273)

Driving on Snow or Ice
Mosl ot the time, Iho&s pieces vvherE your tires meet
ttie rciad probably have good traction.
However, if there is snow or ice hcJwean your tires and
the Toad. you can have a very sfippery situation,
You'll have a lot less traction or "grip" and will need to
be very carelul,
What's the worst time for this? ''Wei ice" Very cold
snow or ic? oan bo slick and hard to drive on. Gut wel
Ice can be even more trouble because it may otter
the least traction (jf all. You can get wel ice when rt's
about freezing (32"Р; 0"C} and freezing rain begins
to tall. Try to avoid driving on wet ice until salt and sand
crews can get there.
Whatever Thu condition — smooth ice, packed, btowrng
or loose snow — drive wilh caution,
It you have traction assist, keep the system on. It will
Improve your ability to accelerate when driving on
a slippery road.
Bui you can turn the Iräcüofl system off
if your vehicle ever gets stuck in sand, mud, ics or
snown See
if You Are Sttjck: la Sead^ M ud, Ice or
SrTOiv on рзде 4-44. Even though your vehicle has a
trad ion system, you'll want to slow down and adjust
your driving lo the road conditions. Sea
Traction As-?\sS
System {TAG} on pape 4-S.
If you don’l have a traction system, accelerata gently.
Try nol to break the gentle iractfon. If you accelerate too
fast, the drive wheels will spin and polish the sudaca
under the trres even more*
4*40