Buick 1995 Century Owner's Manual page 272

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Maintenance Schedule I
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30,000 Miles (50 000 knz) (Continued)
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
DATE
SERVICED B Y
ACTUAL MILEAGE
33,000 Miles (55 000 km)
C I
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control! Service.
DATE
SERVICED B Y
ACTUAL MILEAGE
7-12