Special Application Services; Schedule Additional Required; Services - Severe- Page 312

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

9159380) - 2016 - CRC - 2/23/16

Service and Maintenance

311

Footnotes

—

Maintenance

Schedule Additional Required
Services - Severe

(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)

Check all fuel and vapor lines

and hoses for proper hook-up,
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.

(4)

Or every five years, whichever

comes first. See

Cooling

System

0

233

.

(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

240

.

Special Application
Services

.

Severe Commercial Use
Vehicles Only: Lubricate chassis
components every 5 000 km/
3,000 mi.

.

Have underbody flushing service
performed. See "Underbody
Maintenance" in

Exterior

Care

0

295

.