Page 617 of 698

•If frequent engine coolant (antifreeze) additions are
required, the cooling system should be pressure tested
for leaks.
•
Maintain engine coolant (antifreeze) concentration at a
minimum of 50% OAT coolant (conforming to MS-12106)
and distilled water for proper corrosion protection of
your engine which contains aluminum components.
• Make sure that the coolant expansion bottle overflow
hoses are not kinked or obstructed.
• Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
• Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory engine coolant (antifreeze)
performance, poor gas mileage, and increased emis-
sions.
Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Brake Master Cylinder
The fluid in the master cylinder should be checked when
performing under hood services or immediately if the
“Brake Warning Light” is illuminated.
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MAINTAINING YOUR VEHICLE 615
Page 660 of 698

MAINTENANCE SCHEDULE
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 ser-
vice is required for your vehicle. Operating conditions
such as frequent short-trips, trailer tow, extremely hot or
cold ambient temperatures will influence when the “Oil
Change Required” message is displayed. Severe Operat-
ing Conditions can cause the change oil message to
illuminate as early as 3,500 miles (5,600 km) since last
reset. Have your vehicle serviced as soon as possible,
within the next 500 miles (805 km).Your 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 your authorized dealer, the message can be reset by
referring to the steps described under “Oil Change Reset”
in “Electronic Vehicle Information Center (EVIC)” or
Driver Information Display (DID)” in “Understanding
Your Instrument Panel” for further information.
NOTE:
Under no circumstances should oil change inter-
vals exceed 10,000 miles (16,000 km) or twelve months,
whichever comes first.
Severe Duty All Models
Change Engine Oil at 4000 miles (6,500 km) if the vehicle
is operated in a dusty and off road environment. This
type of vehicle use is considered Severe Duty.
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Page 664 of 698
WARNING!
•You can be badly injured working on or around a
motor vehicle. Do only service work for which you
have the knowledge and the right equipment. If
you have any doubt about your ability to perform a
service job, take your vehicle to a competent me-
chanic.
• Failure to properly inspect and maintain your ve-
hicle could result in a component malfunction and
effect vehicle handling and performance. This
could cause an accident.
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Page 687 of 698

High Beam........................... .166
High Beam Indicator .....................329
High Beam/Low Beam Select ...............166
Illuminated Entry ........................21
Instrument Cluster ..................... .159
Intensity Control ....................... .168
Interior ............................. .168
License ............................. .650
Lights On Reminder .....................163
Malfunction Indicator (Check Engine) .........329
Parade Mode (Daytime Brightness) ...........169
Passing ............................. .166
Reading ............................. .166
Seat Belt Reminder ..................... .325
Security Alarm ........................ .331
Service .............................. .639
Service Engine Soon (Malfunction Indicator) . . . .329
Side Marker .......................... .642
Tire Pressure Monitoring (TPMS) ............326Traction Control
....................... .491
Turn Signal ............................113
Vanity Mirror ......................... .132
Loading Vehicle ......................... .542
Tires ............................... .499
Locks ..................................31
Automatic Door .........................33
Auto Unlock ...........................34
Child Protection .........................34
Door .................................31
Power Door ............................32
Low Tire Pressure System ...................519
Lubrication, Body ........................ .605
Lug Nuts .............................. .550
Maintenance Free Battery ....................599
Maintenance Procedures ....................594
Maintenance Schedule ..................... .658
Malfunction Indicator Light (Check Engine) .......329
10
INDEX 685