Jeep Commander Owner's Manual page 473

Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
Under no circumstances should oil change intervals
exceed 6,000 miles (10,000 km) or 6 months, whichever
comes first.
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If this
scheduled oil change is performed by someone other
than your authorized dealer the message can be reset by
referring to the steps described under "Electronic Vehicle
Information Center" in Section 4 of this manual.
At Each Stop for Fuel
Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
MAINTENANCE SCHEDULES 471
Check the windshield washer solvent and add if
required.
Once a Month
Check tire pressure and look for unusual wear or
damage.
Inspect the battery and clean and tighten the terminals
as required.
Check the fluid levels of coolant reservoir, brake
master cylinder, power steering and transmission
(4.7L and 5.7L engines) and add as needed.
Check all lights and other electrical items for correct
operation.
At Each Oil Change
Change the engine oil filter.
Inspect the brake hoses and lines.
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