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Buick Regal Owner Manual - 2011
11-4 Service and Maintenance
Additional Required Services
Every 12 000 km/7,500 Miles
.
Rotate tires. Tires should be
rotated every 12 000 km/
7,500 miles. See Tire Rotation
on page 10‑55.
At Each Fuel Stop
.
Engine oil level check. See
Engine Oil on page 10‑9.
.
Engine coolant level check. See
Engine Coolant on page 10‑18.
.
Windshield washer fluid level
check. See Washer Fluid on
page 10‑24.
Once a Month
.
Tire inflation check. See Tire
Pressure on page 10‑49.
.
Tire wear inspection. See Tire
Inspection on page 10‑55.
.
Sunroof track and seal
inspection, if equipped. See
Sunroof on page 2‑15.
Once a Year
.
See Starter Switch Check on
page 10‑28.
.
See Automatic Transmission
Shift Lock Control Function
Check on page 10‑28.
.
See Ignition Transmission Lock
Check on page 10‑29.
.
See Park Brake and P (Park)
Mechanism Check on
page 10‑29.
.
Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.
Underbody flushing service.
.
Hood/Decklid/Liftgate/Liftglass
Support Gas Strut Service:
Visually inspect gas strut,
if equipped, for signs of wear,
cracks, or other damage. Check
the hold open ability of the gas
strut. Contact your dealer if
service is required.
Once Every Two Years
.
Vehicles using DOT 4 brake fluid
only: Change brake/clutch
hydraulic fluid at a regular
maintenance service every
two years.
First Engine Oil Change After
Every 40 000 km/25,000 Miles
.
Passenger compartment air
filter replacement (or every
24 months, whichever occurs
first). More frequent replacement
may be needed if you drive in
areas with heavy traffic, areas
with poor air quality, or areas
with high dust levels.
Replacement may also be
needed if you notice reduced air
flow, windows fogging up,
or odors. Your dealer can help
you determine when it is the
right time to replace the filter.