oil reset BUICK LESABRE 1999 Owner's Manual

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2-69 Change Oil Soon Light (If Equipped)
This light is activated
by the Engine Oil Life
Monitor System.
The CHANGE OIL SOON light turns on for three
seconds as a bulb check each time the ignition key is
turned to RUN. It will stay on for 60 seconds once
90 percent of the oil life has been used and each time the
engine is started after that. If the CHANGE OIL SOON
light is on continuously, there is a problem with the
Engine Oil Life Monitor System and service is required.
The Engine Oil Life Monitor determines the condition
of the engine oil and lets you know when the oil should
be changed. See ªEngine Oilº in the Index.
The Engine Oil Life Monitor receives information about
engine speed, coolant temperature and vehicle speed to
determine how much the oil has degraded.
When to change your oil depends on your driving habits
and conditions. The CHANGE OIL SOON light may
turn on as early as 2,000 miles (3 218 km) or less for
harsh circumstances.For additional information, see ªEngine Oil, When to
Changeº in the Index. To reset the Oil Life Monitor, see
ªEngine Oil Life Monitorº in the Index.
Cruise Light
The cruise light comes on
whenever you set your
cruise control. See ªCruise
Controlº in the Index.
Washer Fluid Low Light (If Equipped)
When the vehicle has a low
fluid condition, this light
will come on to remind
you to get more washer
fluid soon.

First Edition for Buick LeSabre Owner's Manual ± 1999
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3-35
When using a scrubbing action, non-abrasive cleaning
cassette, it is normal for the cassette to eject because
your unit is equipped with a cut tape detection feature
and a cleaning cassette may appear as a broken tape. If
the cleaning cassette ejects, insert the cassette at least
three times to ensure thorough cleaning.
You may also choose a non
-scrubbing action, wet-type
cleaner which uses a cassette with a fabric belt to clean
the tape head. This type of cleaning cassette will not
eject on its own. A non
-scrubbing action cleaner may
not clean as thoroughly as the scrubbing type cleaner.
The use of a non
-scrubbing action, dry-type cleaning
cassette is not recommended.
After you clean the player, press and hold EJECT for
five seconds to reset the CLN indicator. The radio will
display
--- to show the indicator was reset.
Cassettes are subject to wear and the sound quality may
degrade over time. Always make sure the cassette tape is
in good condition before you have your tape
player serviced.
Care of Your Compact Discs
Handle discs carefully. Store them in their original cases
or other protective cases and away from direct sunlight
and dust. If the surface of a disc is soiled, dampen a
clean, soft cloth in a mild, neutral detergent solution and
clean it, wiping from the center to the edge.
Be sure never to touch the signal surface when handling
discs. Pick up discs by grasping the outer edges or the
edge of the hole and the outer edge.
Care of Your Compact Disc Player
The use of CD lens cleaner discs is not advised, due to
the risk of contaminating the lens of the CD optics with
lubricants internal to the CD mechanism.

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6-15
If none of them is true, use the long trip/highway
maintenance schedule. Change the oil and filter every
7,500 miles (12 500 km) or 12 months
-- whichever
occurs first. Driving a vehicle with a fully warmed
engine under highway conditions causes engine oil to
break down slower.
How to Reset the Engine Oil Life Monitor (Option)
After changing the engine oil, the Engine Oil Life
Monitor should be reset. It will not reset itself. This will
cause the CHANGE OIL SOON light to be lit for a bulb
check period of three seconds. Refer to ªEngine Oilº in
the Index to determine what type of oil to use.
To reset the Oil Life Monitor, the ignition key must be
in RUN. Press and hold the OIL RESET button (located
in the glove box) for at least five seconds but not more
than 60 seconds. After five seconds, the CHANGE OIL
SOON light will flash four times and then go off. This
indicates that the Engine Oil Life Monitor System has
been reset.
What to Do with Used Oil
Did you know that used engine oil contains certain
elements that may be unhealthy for your skin and could
even cause cancer? Don't let used oil stay on your skin
for very long. Clean your skin and nails with soap and
water, or a good hand cleaner. Wash or properly throw
away clothing or rags containing used engine oil.
(See the manufacturer's warnings about the use and
disposal of oil products.)
Used oil can be a real threat to the environment. If you
change your own oil, be sure to drain all free
-flowing oil
from the filter before disposal. Don't ever dispose of oil
by putting it in the trash, pouring it on the ground, into
sewers, or into streams or bodies of water. Instead,
recycle it by taking it to a place that collects used oil.
If you have a problem properly disposing of your used
oil, ask your dealer, a service station or a local recycling
center for help.

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6-22
Radiator Pressure Cap
NOTICE:
Your radiator cap is a 15 psi (105 kPa)
pressure
-type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap
line up with the overflow tube on the radiator
filler neck.
When you replace your radiator pressure cap, a GM cap
is recommended.
Thermostat
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow of coolant through the radiator until the coolant
reaches a preset temperature.
Engine Coolant
The cooling system in your vehicle is filled with
DEX
-COOL
engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000 km), whichever occurs first, if you add only
DEX
-COOL
extended life coolant.
The following explains your cooling system and how to
add coolant when it is low. If you have a problem with
engine overheating, see ªEngine Overheatingº in
the Index.
A 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant will:

Give freezing protection down to
-34F (-37C).

Give boiling protection up to 265F (129C).

Protect against rust and corrosion.

Help keep the proper engine temperature.

Let the warning lights and gages work as
they should.

Short Trip/City Scheduled Maintenance
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7-8
The system won't detect dust in the oil. So if you
drive in a dusty area be sure to change your oil every
3,000 miles (5 000 km) or sooner if the CHANGE OIL
SOON light comes on. Remember to reset the Oil Life
Monitor when the oil has been changed. For more
information, see ªCHANGE OIL SOON Lightº in
the Index.
+ A good time to check your brakes is during tire
rotation. See ªBrake System Inspectionº under ªPeriodic
Maintenance Inspectionsº in Part C of this schedule.++ If you drive in a highly corrosive environment, your
brake calipers may require additional inspection and
service, at every other tire rotation. See
ªCaliper/Knuckle Maintenance Inspectionº under
ªPeriodic Maintenance Inspectionsº in Part C of
this schedule.

Long Trip/Highway Scheduled Maintenance
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7-24
The system won't detect dust in the oil. So if you drive in
a dusty area, be sure to change your oil and filter every
3,000 miles (5 000 km) or sooner if the CHANGE OIL
SOON light comes on. Remember to reset the Oil Life
Monitor whenever the oil is changed. For more
information, see CHANGE OIL SOON Light in the Index.
+ A good time to check your brakes is during tire
rotation. See ªBrake System Inspectionº under ªPeriodic
Maintenance Inspectionsº in Part C of this schedule.++ If you drive in a highly corrosive environment, your
brake calipers may require additional inspection and
service, at every other tire rotation. See ªCaliper/Knuckle
Maintenance Inspectionº under ªPeriodic Maintenance
Inspectionsº in Part C of this schedule.