Checking Oil Level; Adding Washer Fluid; Maintenance-Free Battery - Jeep WRANGLER 2024 Owner's Manual

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292
SERVICING AND MAINTENANCE

CHECKING OIL LEVEL

To ensure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at
regular intervals, such as every fuel stop. The best time
to check the engine oil level is about five minutes after
a fully warmed up engine is shut off.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings.
There are four possible dipstick types:
Crosshatched zone.
Crosshatched zone marked SAFE.
Crosshatched zone marked with MIN at the low end
of the range and MAX at the high end of the range.
Crosshatched zone marked with dimples at the MIN
and the MAX ends of the range.
NOTE:
Always maintain the oil level within the crosshatch
markings on the dipstick.
NOTE:
Use care when filling under hood fluids such as engine
oil, washer fluid, antifreeze, etc., to minimize spillage
onto the top of the engine. Any excess fluid that is
spilled onto the top of the engine should be removed
using compressed air or an absorbent cloth.
Adding 1 qt (1 L) of oil when the reading is at the low
end of the dipstick range will raise the oil level to the
high end of the range marking.
CAUTION!
Overfilling or underfilling the crankcase will cause aera-
tion or loss of oil pressure. This could damage your
engine.

ADDING WASHER FLUID

The fluid reservoir for the windshield washers and the
rear window washer (if equipped) is shared. The fluid
reservoir is located in the engine compartment. Be sure
to check the fluid level at regular intervals. Fill the res-
ervoir with windshield washer solvent only (not radiator
antifreeze). When refilling the washer fluid reservoir,
take some washer fluid and apply it to a cloth or towel
and wipe clean the wiper blades; this will help blade
performance.
To prevent freeze-up of your windshield washer system
in cold weather, select a solution or mixture that meets
or exceeds the temperature range of your climate. This
rating information can be found on most washer fluid
containers.
NOTE:
Use care when filling under hood fluids such as engine
oil, washer fluid, antifreeze, etc., to minimize spillage
onto the top of the engine. Any excess fluid that is
spilled onto the top of the engine should be removed
using compressed air or an absorbent cloth.
WARNING!
Commercial windshield washer solvents are flam-
mable. They could ignite and burn you. Care must be
exercised when filling or working around the washer
solution.

MAINTENANCE-FREE BATTERY

Your vehicle is equipped with a maintenance-free bat-
tery. You will never have to add water, and periodic
maintenance is not required.
WARNING!
Battery fluid is a corrosive acid solution and can
burn or even blind you. Do not allow battery fluid to
contact your eyes, skin, or clothing. Do not lean
over a battery when attaching clamps. If acid
splashes in eyes or on skin, flush the area immedi-
ately with large amounts of water
Battery gas is flammable and explosive. Keep
flame or sparks away from the battery. Do not use
a booster battery or any other booster source with
an output greater than 12 Volts. Do not allow cable
clamps to touch each other.
Battery posts, terminals, and related accessories
contain lead and lead compounds. Wash hands
after handling.
Vehicles with the Stop/Start system will be
equipped with two batteries. Both the main and
the supplemental batteries must be disconnected
to completely de-energize the 12 Volt electrical
system.
Serious injury or death could result if you do not
disconnect both batteries. To learn how to properly
disconnect, see an authorized dealer.
page 274.

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