Hummer H2 2010 Owner's Manual page 404

Inspecting the Engine Air Cleaner/Filter and
Resetting the Air Filter Restriction Indicator
1. Loosen the screws on the engine air cleaner/filter
cover.
6-24
2. Lift the cover upward and set it aside.
3. Pull the air cleaner/filter up and out from the air
cleaner housing. Care should be taken to dislodge
as little dirt as possible.
4. Clean the air cleaner/filter sealing surfaces and the
housing.
5. Inspect or replace the engine air cleaner/filter.