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, or extremely hot or cold
ambient temperatures will influence when the
“Oil Change Required” message is displayed.
Severe operating conditions can cause the
change oil message to illuminate as early as
3,500 miles (5,600 kmyf V L Q F H O D V W U H V H W + D Y H
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. If a scheduled oil change
is performed by someone other than an
authorized dealer, the message can be reset
by referring to the steps described under
Instrument Cluster Display Ú
page 89.
NOTE:
Under no circumstances should oil change
intervals exceed 10,000 miles (16,000 kmyf
12 months or 350 hours of engine run time,
whichever comes first. The 350 hours of engine
run or idle time is generally only a concern for
fleet customers. Severe Duty All Models
Vehicles that are operated in a dusty and
off-road environment, or predominately at idle
or very low engine RPM are known as Severe
Duty vehicles. It is recommended that you
change engine oil at 4,000 miles (6,500 kmyf R U
350 hours of engine run time.
At Every Fuel Stop:
Check engine oil level.
Check windshield washer fluid level.
Check tire pressure and look for unusual
wear or damage. Rotate tires at the first sign
of irregular wear, even if it occurs before the
oil indicator system turns on.
Check the fluid levels of the coolant reservoir
and brake master cylinder; fill as needed.
Check function of all interior and exterior
lights.
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