Maintenance Schedule; Additional Required Services - Normal; Service and Maintenance- Page 318

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-

14583509) - 2021 - CRC - 1/8/21

Service and Maintenance

317

Footnotes

—

Maintenance Schedule

Additional Required Services - Normal

(1)

Vehicles with different size front and rear

tires do not have tire rotation. See

Tire

Rotation

0

289

.

(2)

Or every two years, whichever comes

first. More frequent passenger compartment
air filter replacement may be needed if
driving in areas with heavy traffic, poor air
quality, high dust levels, or environmental
allergens. Passenger compartment air filter
replacement may also be needed if there is
reduced airflow, window fogging, or odors.
Your GM dealer can help determine when to
replace the filter.

(3)

Do not directly power wash the transfer

case and/or front/rear axle output seals.
High pressure water can overcome the seals
and contaminate the transfer case fluid.
Contaminated fluid will decrease the life of
the transfer case and/or axles and should be
replaced.

(4)

Or every five years, whichever comes

first. See

Cooling System

0

262

.

(5)

Or every 10 years, whichever comes first.

Inspect for fraying, excessive cracking,
or damage; replace, if needed.

(6)

Replace brake fluid every five years. See

Brake Fluid

0

267

.

(7)

Or every 12 months, whichever comes

first. See

Wiper Blade Replacement

0

269

.

(8)

Or every 10 years, whichever comes first.

See

Gas Strut(s)

0

271

.

(9)

Replace air conditioning desiccant every

seven years.