Geo 1995 Prizm Owner's Manual page 211

Air Filter Replacement
To check or replace the filter:
NOTICE:
If the air cleaner is off, a backfire can cause a
damaging engine
f i r e .
And, dirt can easily get
into your engine, which will damage it. Always
have the
air
cleaner in place when you're driving.
1. Release the four clips that hold the cover down.
2. Lift the cover off.
3. Pull out the air filter.
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