GMC 2003 Envoy - Manual (Page 259)

Stallingi on an Incline
II your vehicle sialls when you're crossing an incline, ne
5 ure you (and your passengers) get out on the uphill
side., even ir the door (here is harder Jo open, li you get
out on ihe downhill side and ihe vehicle starts tq roll
over, you'll be right in its path.
If you have to walk down the slope, slay out at the path
the vehicle will lake ii it does roll over*
A CAUTION:
Getting out on the downhill (low) side cl a
vehicle stopped across an incline is
dangerous. If the vehicle rolls
ovcth you cpuld
be crushed or hilled. Always get out on the
uphill (high) side Ot the vehicle and atay well
clear of the rollover path.
Driving in Mud, Sand, Snow or Ice
When you drive in n^ud. snow or sand, your wheals won't
get good traction. You can'I accelerate as quicklVn turning
is more difficult, and you'll need longer braking dislances.
IJ’s best !o use a low gear when you're in rDUd — the
deeper the mud, the tower the gear, in really deep mud,
jhe Idqa is lo keep youi vehicle moving so you don't
get stuck..
When you drive on sand, you'll sense a change in
wheel IracUon. But it will depend upon how loosely
packed ihe sand is. On loosely packed sand (as
an beaches or sand dunes) your liras wili tand ta shnk
into the sand. This has an eilecl on steering,
acceleraimg and braking. Drive at a reduced speed
and avoid sharp turns or abrupt mar^euvers.
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