Intelligent Oil-Life Monitor
Your vehicle has an Intelligent Oil-Life Monitor that determines when you should change the engine oil based on how you use your vehicle. By using several important factors in its calculations, the monitor helps reduce the cost of owning your vehicle and reduces environmental waste at the same time.
This means you do not have to remember to change the oil on a mileage-based schedule. Your vehicle lets you know when an oil change is due by displaying a message in the information display.
The following table provides examples of vehicle use and its impact on oil change intervals. It is a guideline only. Actual oil change intervals depend on several factors and generally decrease with severity of use.

When to Expect the Message Prompting You to Change Your Oil  
mi (km)   Vehicle Use and Example  
7,500–10,000 mi (12,000–16,000 km)   Normal  
Normal commuting with highway driving.   No, or moderate, load or towing.   Flat to moderately hilly roads.   No extended idling.  
5,000–7,500 mi (8,000–12,000 km)   Severe  
Moderate to heavy load or towing.   Mountainous or off-road conditions.   Extended idling, 200-300 hours.   Extended hot or cold operation.  
2,500–5,000 mi (4,000–8,000 km)   Extreme  
Maximum load or towing.   Extreme hot or cold operation.   Use of high sulfur diesel fuel.  

Note:   Use the appropriate special operating condition for maintenance information when using high sulfur diesel fuels, operating your vehicle off-road or in dusty conditions, such as unpaved roads.
Note:   For every hour that your vehicle idles, it accumulates the equivalent of approximately 25 mi (40 km).
Gasoline Engine
Normal Maintenance Intervals

10,000 mi (16,000 km)/ 450 Engine Hours or 12 Months - Whichever Comes First  
Change the engine oil and filter.1  
Rotate the tires, inspect tire wear and measure the tread depth.2  
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.  
Perform multi-point inspection - recommended.  
Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and the parking brake.  
Inspect the engine coolant concentration, freeze-point protection, level and the hoses.  
Inspect the exhaust system and heat shields.  
Inspect the front axle and U-joints. If applicable, lubricate the grease fittings. Four-wheel drive vehicles.  
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and the U-joints. If applicable, lubricate the grease fittings.  

1Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
2Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate the rear wheels if you notice unusual wear.

Brake Fluid Maintenance312  
Every three years   Change the brake fluid.413  

3 Perform this maintenance item every three years. Do not exceed the designated time for the interval.
4Brake fluid servicing requires special equipment available at your authorized dealer.

Other Maintenance Items  
Every 20,000 mi (32,000 km)   Replace the cabin air filter.  
Every 30,000 mi (48,000 km)   Replace the engine air filter.  
Every 60,000 mi (96,000 km)   Replace the front wheel bearing grease and grease seal, if you use non-sealed bearings.  
Every 100,000 mi (160,000 km)   Replace the spark plugs.  
Every 100,000 mi (160,000 km)   Inspect the accessory drive belt or belts.5  
Every 150,000 mi (240,000 km)   Change the automatic transmission fluid and filter. Consult dealer for requirements.  
Replace the accessory drive belt or belts if not replaced within the last 100,000 mi (160,000 km).  
Replace the front wheel bearings and seals if you use non-sealed bearings.  
Change the axle(s) fluid. See exceptions.  
Change the transfer case fluid, if applicable.  
At 200,000 mi (320,000 km)   Change the engine coolant.6  

5If not replaced, inspect the belt or belts every 15,000 mi (24,000 km).
6Initial replacement at 10 years or 200,000 mi (320,000 km), then every 5 years or 100,000 mi (160,000 km).
Diesel Engine
Electronic Air Filter Maintenance Minder
Diesel engines have an electronic air filter maintenance minder that indicates the status of the engine air filter. You can find this information within the Vehicle Maintenance menu, in the information displays. One of three indications are possible:

Engine Air Filter Status Message   Result  
Filter OK   Indicates the engine air filter is performing as expected.  
Check filter7   Indicates that there is a higher than expected restriction across the engine air filter, which could represent an air filter at full useful life or a filter with an obstruction.   When this displays, inspect the engine air filter and replace if necessary.   After the inspection or engine air filter replacement, you must reset the system in order to change the status from Check Filter to Filter OK.  
System fault   Indicates that there is an error within the electronic air filter maintenance minder system requiring service.  

7Reset the engine air filter information monitor after you replace the air filter.
Normal Maintenance Intervals

At Every Oil Change Interval as Indicated by the Information Display8  
Change the engine oil and filter.9  
Fuel and water separator. Drain if necessary or if indicated by the information display.  
Refill the diesel exhaust fluid tank.  
Rotate the tires, inspect the tires for wear and measure the tread depth.11  
Perform a multi-point inspection, recommended.  
Inspect the air filter restriction gauge. Replace the air filter if necessary.10  
Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and the parking brake.  
Inspect the engine and secondary cooling system coolant concentration freeze-point protection, level and the hoses.  
Inspect the exhaust system and heat shields.  
Inspect the front axle and U-joints. Lubricate any grease fittings. Four-wheel drive vehicles.  
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and the U-joints. Lubricate any grease fittings.  

8Do not exceed one year/10,000 mi (16,000 km) or 350 engine hours between service intervals.
9Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
10Reset the engine air filter information monitor after you replace the air filter.
11 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate the rear wheels if you notice unusual wear.

Brake Fluid Maintenance312  
Every three years   Change the brake fluid.413  

12 Perform this maintenance item every three years. Do not exceed the designated time for the interval.
13Brake fluid servicing requires special equipment available at your authorized dealer.

Other Maintenance items14  
Every 20,000 mi (32,000 km)   Replace the cabin air filter.  
Every 30,000 mi (48,000 km)   Replace the engine air filter.15   Replace the engine-mounted and frame-mounted fuel filters.   Inspect the engine and secondary cooling system coolant concentration freeze-point protection, additive corrosion inhibitor strength, coolant level, and hoses. Add coolant additive if necessary.  
Every 50,000 mi (80,000 km)   Replace the engine air inlet foam filter.  
Every 60,000 mi (96,000 km)   Replace the front wheel bearing grease and grease seal if using non-sealed bearings. Two-wheel drive vehicles.  
At 90,000 mi (144,000 km)   Inspect the accessory drive belt or belts.16  
Every 150,000 mi (240,000 km)   Change the automatic transmission fluid and filter. Consult dealer for requirements.  
Replace the accessory drive belt or belts if not replaced within the last 100,000 mi (160,000 km).  
Replace the front wheel bearings and seals if using non-sealed bearings. Two-wheel drive vehicles.  
Change the axle(s) fluid. See exceptions.  
Change the transfer case fluid, if equipped.  
At 200,000 mi (320,000 km)   Change the engine and secondary cooling system coolant.17  

14You can perform these maintenance items within 3,000 mi (4,800 km) of the last oil change. Do not exceed the designated distance for the interval.
15Reset the engine air filter information monitor after you replace the air filter.
16Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection. Replace the belt or belts at 150,000 mi (240,000 km).
17Initial replacement at 10 years or 200,000 mi (320,000 km), then every 5 years or 100,000 mi (160,000 km).

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