Page 630 of 666

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, and E85 fuel usage 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 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 otherthan your authorized dealer, the message can be reset by
referring to the steps described under “Electronic Vehicle
Information Center (EVIC)/Oil Change Required” in
“Understanding Your Instrument Panel” for further in-
formation.
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
Once A Month Or Before A Long Trip:
• Check engine oil level
• Check windshield washer fluid level
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S628 MAINTENANCE SCHEDULES
Page 650 of 666

E-85 Fuel.............................. .514
Economy (Fuel) Mode ..................... .447
Electrical Power Outlets .....................252
Electric Remote Mirrors .....................116
Electronic Brake Control System ...............466
Brake Assist System .....................468
Electronic Speed Control (Cruise Control) ........219
Electronic Stability Control (ESC) ..............468
Electronic Vehicle Information Center (EVIC) ......309
Emergency, In Case of Hazard Warning Flasher ..................541
Jacking .............................. .544
Jump Starting ......................... .564
Overheating .......................... .541
Emission Control System Maintenance ..........577
Engine Air Cleaner .......................... .583
Block Heater ......................... .443
Break-In Recommendations ................100 Checking Oil Level
..................... .580
Compartment ......................... .575
Compartment Identification ................575
Coolant (Antifreeze) .....................592
Cooling ............................. .592
Exhaust Gas Caution .....................101
Flooded, Starting ...................... .442
Fuel Requirements ..................... .510
Oil................................. .580
Oil Selection .......................... .581
Oil Synthetic ......................... .582
Overheating .......................... .541
Starting ............................. .441
Temperature Gauge ..................... .305
Engine Oil Viscosity ...................... .582
Engine Oil Viscosity Chart ...................582
Enhanced Accident Response Feature ............81
Entry System, Illuminated ....................
19
Ethanol ................................511
648 INDEX
Page 655 of 666

Battery Saver......................... .210
Brake Assist Warning ....................471
Brake Warning ........................ .303
Bulb Replacement ...................... .619
Center Mounted Stop ....................623
Daytime Running ...................... .206
Dimmer Switch, Headlight .................206
Electronic Stability Program (ESP) Indicator .....471
Engine Temperature Warning ...............307
Exterior ............................. .105
Fog ................................ .206
Hazard Warning Flasher ..................541
Headlights ........................... .620
Headlights On Reminder ..................206
High Beam Indicator .....................295
High Beam/Low Beam Select ...............210
Illuminated Entry ........................19
Interior ............................. .206
License ............................. .623Lights On Reminder
.....................206
Low Fuel ............................ .306
Malfunction Indicator (Check Engine) .........300
Oil Pressure .......................... .306
Park ............................... .621
Passing ............................. .210
Reading ............................. .235
Rear Servicing ........................ .622
Rear Tail ............................ .622
Seat Belt Reminder ..................... .305
Security Alarm ........................ .303
Service .............................. .619
Service Engine Soon (Malfunction Indicator) . . . .300
Side Marker .......................... .622
Tire Pressure Monitoring (TPMS) ............299
Traction Control ....................... .471
T
urn Signal .......................... .105
Voltage ............................. .306
Warning (Instrument Cluster Description) ......295
10
INDEX 653
Page 661 of 666

Storage Bin............................. .262
Storage, Vehicle .......................... .433
Storing Your Vehicle ...................... .618
Stow n Go (Fold in Floor) Seats ...............178
Sunglasses Storage ....................... .236
Sun Roof .............................. .249
Supplemental Restraint System - Airbag ..........72
Sway Control, Trailer ...................... .472
Synthetic Engine Oil ...................... .582
System, Remote Starting .....................30
Tachometer ............................. .295
Telescoping Steering Column .................215
Temperature Control, Automatic (ATC) ..........423
Temperature Gauge, Engine Coolant ............305
Tilt Steering Column ...................... .215
Tire and Loading Information Placard ...........482
Tire Markings ........................... .476Tires .................................
.104
Aging (Life of Tires) .....................496
Air Pressure .......................... .487
Chains .............................. .498
Changing ............................ .544
Compact Spare ........................ .493
General Information .....................487
High Speed .......................... .490
Inflation Pressures ...................... .488
Jacking .............................. .544
Life of Tires .......................... .496
Load Capacity ........................ .482
Pressure Monitor System (TPMS) ............501
Pressure Warning Light ...................299
Quality Grading ....................... .641
Radial .............................. .490
Replacement .......................... .497
Rotation ............................. .500
Safety .............................. .476
10
INDEX 659