GMC 2003 Envoy - Manual (Page 274)

Your anthtock brakes Improve y(?ur vehicle's stabil'lly
when you make a hard slop on a slippery road.
£vfln [hough you have an anti-lock braking sysiem,
you'l! want to begin stopping soonar than you wcuid on
rtry pavement See
Braking ort page 4-5.
* Allow greater tollowing disiance on any
slippery road.
* Watch for slippery spots, Tha road rnighl he fine
until you hit a spot that’s covered with tea. On
an olharwise dear road, ice patches may appear In
shaded areas where Ihe sun can’t reach: around
clumps of trees, behind buildings or under bridges.
Sometimes Ihe surface of э curve or an overpass
may remain icy when the surrounctlng roads
ara ctaar, tf you вве 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 steenhg maneuvers.
If You’re Caught in a Blizzard
II you are stopped by heavy snow, you could be in a
senfous silualion. You should probably stay with
your vehicle unless you know lor sure that you are
near help and you can hike through the snow.
4^1