check engine light JEEP WAGONEER 2021 Owners Manual

SERVICING AND MAINTENANCE
SC\b\fED SERVICING
Your vehicle is equipped with an automatic oil
change indicator system. The oil change indicator
system will remind you that it is time to take your
vehicle in for scheduled maintenance.
Based on engine operation conditions, the oil
change indicator message will illuminate. This
means that service is required for your vehicle.
Operating conditions such as frequent short-trips,
trailer tow, extremely hot or cold ambient
temperatures, and extended idling will influence
when the “Oil Change Required” message is
displayed. Have your vehicle serviced as soon as
possible, within the next 500 miles (805 kmyf.An authorized dealer will reset the oil change
indicator message after completing the scheduled
oil change or for engine oil life reset procedure
Ú
page 110.
NOTE:Under no circumstances should oil change
intervals exceed 10,000 miles (16,000 kmyfRU
12 months, whichever comes first. The engine
controller also monitors the number of hours of
engine run time, and will illuminate the oil change
indicator after 350 hours (which is not likely to be
exceeded except for certain fleet customers with
extended engine idling periodsyf. Once A Month Or Before A Long Trip:
Check engine oil level
Check windshield washer fluid level
Check the tire inflation pressures and look for
unusual wear or damage
Check the fluid levels of the coolant reservoir,
brake master cylinder and fill as needed.
Check function of all interior and exterior lights
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