Buick 1993 Roadmaster Owner's Manual page 85

2. Move the shift lever into "P" (Park) position like
this:
0
Pull the lever toward you.
P
0
Move the lever up as far as it will go..
3. Move the ignition key to "Lock."
4. Remove the key and take it with you. If you can
walk away from your vehicle with the ignition key in
your hand, your vehicle is in "P" (Park).
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