Pontiac 1999 Montana Owner's Manual page 297

NOTICE:
To help avoid damage to lock nut or wheel lock
key, do not use an impact wrench with this key.
NOTICE:
Do not place the jack under the rear axle control
arms. Only use the areas shown for proper
jack location.
Do not raise the vehicle yet. Put the compact spare
tire near you.
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3. Near each wheel, there
is a notch in the
vehicle's body. Position
the jack and raise the
jack head until it fits
firmly into the notch in
the vehicle's frame
nearest the flat tire.
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