Lincoln 2001 LS Owner's Manual page 217

Maintenance and care
5. Insert the new cabin air filter into the cabin air filter housing until the
clips are secure.
6. Install the cowl cover.
7. Insert the five pushpins that retain the passenger side portion of the
cowl screen. Push up the center "button" of the pins, to insert the pins.
Refasten the velcro at the rubber hood hinge cover.
8. Close the hood.
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