Schedule Additional Required; Services - Normal; Service and Maintenance- Page 328

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -

2020 - CRC - 6/25/19

Service and Maintenance

327

Footnotes

—

Maintenance

Schedule Additional Required
Services - Normal

(1)

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.

(2)

Visually check all fuel and vapor

lines and hoses for proper
attachment, connection, routing, and
condition.

(3)

Or every four years, whichever

comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
See

Engine Air Cleaner/Filter

0

242

.

(4)

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.

(5)

Or every five years, whichever

comes first. See

Cooling System

0

243

.

(6)

Or every 10 years, whichever

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

(7)

Replace brake fluid every five

years. See

Brake Fluid

0

250

.

(8)

Or every 12 months, whichever

comes first. See

Wiper Blade

Replacement

0

253

.

(9)

Or every 10 years, whichever

comes first. See

Gas Strut(s)

0

254

.

(10)

Replace air conditioning

desiccant every seven years.