Geo 1995 Prizm Owner's Manual page 74

Running Your Engine While You're
Parked (Automatic Transaxle)
It's better not to park with the engine running. But if you
ever have to, here are some things to know.
Follow the proper steps to be sure your vehicle won't
move, See "Shifting Into PARK (P)" in the Index.
If you are parking on a hill and if you're pulling a
trailer, also see "Towing a Trailer" in the Index.
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