1999 NISSAN FRONTIER oil dipstick

3. The supplemental air bag warning light
does not come on at all.
Unless checked and repaired, the supplemen-
tal restraint system may not function properly.
For additional details on the Supplemental
restraint system (Supplemental air bag sys-
tem), see the ``Seats, restraints and supple-
mental air bag systems'' section of this
manual
WARNING
If the supplemental air bag warning
light is on, it could mean that the air
bag will not operate in an accident.
Passenger supplemental air
bag OFF indicator light
The passenger supplemental air bag is
equipped with an ON/OFF switch. The
switch is located in the center of the instru-
ment panel, near the ashtray. When the
switch is turned to the ON position, the
passenger supplemental air bag is enabled
and could inflate in a frontal collision. When
the switch is turned to the OFF position, the
passenger supplemental air bag is disabled
and will not inflate in a frontal collision. Thepassenger supplemental air bag OFF indi-
cator light on the instrument panel illumi-
nates when the passenger supplemental air
bag ON/OFF switch is turned to the OFF
position. The driver's side supplemental air
bag always remains enabled and is not
affected by the passenger supplemental air
bag ON/OFF switch. The key for the pas-
senger supplemental air bag ON/OFF
switch should not be left in the switch.
Remove the key after turning the switch in
the desired position. Do not leave a key in
the switch. See ªPassenger supplemental
air bag ON/OFF switch and lightº in Section
1 for details.
Engine oil pressure warning
light
This light warns of low engine oil pressure. If
the light flickers or comes on during normal
driving, pull off the road in a safe area, stop
the engineimmediatelyand call an autho-
rized NISSAN dealer.
The oil pressure warning light is not
designed to indicate a low oil level. Use
the dipstick to check the oil level.See
``Engine oil'' in the ``Do-it-yourself'' section
of this manual.
CAUTION
Running the engine with the oil pres-
sure warning light on could cause seri-
ous damage to the engine almost im-
mediately. Turn off the engine as soon
as it is safe to do so.
Charge warning light
If this light comes on while the engine is
running, it may indicate a problem with the
charging system. Turn the engine off and
check the generator belt. If the belt is loose,
broken, missing or if the light remains on, see
an authorized NISSAN dealer immediately.
CAUTION
Do not continue driving if the belt is
loose, broken or missing.
Low fuel warning light
(if so equipped)
This light comes on when the fuel in the tank
is low. Refuel as soon as it is convenient,
preferably before the fuel gauge reaches E
(Empty).
Instruments and controls
2-9
ZX

11. Check the drain valve on the radiator
and drain plugs on the engine block for
any sign of leakage.CHECKING ENGINE OIL LEVEL
1. Park the vehicle on a level surface and
apply the parking brake.
2. Start the engine and let it idle until it
reaches operating temperature.
3. Turn off the engine.Wait a few minutes
for the oil to drain back into the oil
pan.4. Remove the dipstick and wipe it clean.
Reinsert it all the way.
ADI1058ADI1059ADI1060
ENGINE OIL
Do-it-yourself8-9
ZX

5. Remove the dipstick again and check the
oil level. It should be between the H
(High) and L (Low) marks. If the oil level
is below the L (Low) mark, remove the oil
filler cap and pour recommended oil
through the opening.Do not overfill.6. Recheck oil level with dipstick.
It is normal to add some oil between oil
maintenance intervals or during the
break-in period, depending on the sever-
ity of operating conditions.
CAUTION
Oil level should be checked regularly.
Operating with insufficient amount of
oil can damage the engine, and such
damage is not covered by warranty.
CHANGING ENGINE OIL
1. Park the vehicle on a level surface and
apply the parking brake.
2. Start the engine and let idle until it
reaches operating temperature, and then
turn it off.
3. Remove the oil filler cap.
4. Place a large drain pan under the drain
plug.
ADI1061ADI1062ADI1063
8-10Do-it-yourself
ZX

5. Remove the drain plug with a wrench and
completely drain the oil.
If the oil filter is to be changed, remove
and replace it at this time. See ``Chang-
ing engine oil filter'' later in this section.
WARNING
IProlonged and repeated contact with
used engine oil may cause skin can-
cer.
ITry to avoid direct skin contact with
used oil. If skin contact is made,
wash thoroughly with soap or hand
cleaner as soon as possible.
IKeep used engine oil out of reach of
children.
CAUTION
Be careful not to burn yourself, as the
engine oil is hot.
Waste oil must be disposed of properly.
Check your local regulations.
6. Clean and reinstall the drain plug and
washer. Securely tighten the drain plug
with a wrench. Do not use excessive
force.
Drain plug tightening torque:
22 to 29 ft-lb (29 to 39 N×m)7. Refill engine with a recommended oil
through the oil filler opening then install
the oil filler cap securely.
See ``Capacities and recommended
fuel/lubricants'' in the ``Technical and
consumer information'' section for drain
and refill capacity.
The drain and refill capacity depends on
the oil temperature and drain time. Use
these specifications for reference only.
Always use the dipstick to determine
when the proper amount of oil is in the
engine.
8. Start the engine. Check for leakage
around the drain plug and oil filter. Cor-
rect as required.
9. Turn the engine off and wait several
minutes. Check the oil level with the
dipstick. Add engine oil if necessary.ADI1064
Do-it-yourself8-11
ZX