GMC 2003 Sierra - Manual (Page 314)

A CAUTION:
Driving across an incline lhafs too steep will
make your vehicle roll over> You could be
seriously jrrjurecj or killed- If you have any
doubt about the steepness of the incline, don't
drive across it. Fmd anottiaf route instead.
Stalling on an Incline
If your vehicle stalls when you’ra cnossiirg an inclinSr be
Sure ycu (and your passengers) get out on tha uphill
side, even if
ihe door there is harder ta open. If you ger
out on the doiA/nhill side and the vehicle Elaris to roll
over, you'll he right In Its path.
IF you have to walk down the slope, stay out oi the palh
the vehicle will take if il does roll over.
Q, What if I'm driving across an incline that's not
too steepi but l hit some loose gravel and start
to slide downhill. What should I do?
.\i If you feeF your vehicle starting lo slide sideways,
turn dowr^hill. This should help strijighten out the
vehicle and prevent the side slipping. However,
a much better way to prevenl this is lo get out and
'^wflJk the course'" so you know what the surface
is like before you drive it
4-33