GMC 2003 Envoy - Manual (Page 275)

Hefe are scmo things (o do to summon help and keep
ifourseir and vour passengers sate:
• Turn on youf hazard flashers.
• Tie a led cloth tO'/ojr vehicle to alert police that
you've been slopped by the snow,
• Put on extfa clothing or wrap a hlanhel Siound
you. If you have no blankets or outra clothing,
make body insulators from newspapers,
burlap bags, rags, floor rnals — anything you
can wrap arcond yourself or tuck under
your clothing to keep warm.
. ^ ^ p
You can run the engine to keep warm, buf be careful.
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