Hummer 2009 H2 - Manual (Page 376)

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.
6. Reinstall the cover and tighten the screws.
7. Reset the air filter restriction indicator, if equipped,
by pressing the top button on the indicator.
If the vehicle is not equipped with the air filter
restriction indicator, refer to the Maintenance
Schedule to determine when to replace the engine
air cleaner/filter. See Additional Required Services
on page 6-6.
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