Buick 2002 Rendezvous - Manual (Page 366)

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5. Replace the filters by reversing Step 4. Make sure
the filters are inserted so that the sealing foam is
angled in the same direction on both filters.
6. Close the inner access door, while squeezing the tab.
Be sure it is tightly closed.
7. Snap the outer access panel into the back of the
glove box.
For the type of filter to use, see “Normal Maintenance
Replacement Parts” in the Index.
Automatic Transaxle Fluid
When to Check and Change
A good time to check your automatic transaxle fluid
level is when the engine oil is changed.
Change both the fluid and filter every 50,000 miles
(83 000 km) if the vehicle is mainly driven under one
or more of these conditions:
D In heavy city traffic where the outside temperature
regularly reaches 90
_F (32_C) or higher.
D In hilly or mountainous terrain.
D When doing frequent trailer towing.
D Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of
these conditions, change the fluid and filter
at 100,000 miles (166 000 km).
See “Scheduled Maintenance Services” in the Index.