Buick 2006 Lucerne - Manual (Page 156)

To access the passenger compartment air filter, do the
following:
1. Press the tabs back and left to remove the cover.
2. Then, insert a tool behind the push pin located on
the inboard side of the air filter compartment to
carefully pry the pin out.
3. To remove the air filter, insert a tool between the
air filter and the compartment wall on the outboard
side of the vehicle. Then, push in to flatten the
pin holding the air filter in place. Gently remove the
air filter and any loose debris that may be inside
the air filter compartment.
4. Insert the new air filter by pushing until you hear a
click. Then, reinstall the push pin and snap the
cover into place.
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2006 - Buick Lucerne Owner Manual