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Here is what the 2014 Owners manual (page 188) says about oil changes . The interval depends on the load and service. When to expect the OIL CHANGE REQUIRED message Vehicle use and example Interval Normal 7500-10000 miles (12000-16000 km) Normal commuting with highway driving No, or moderate, load or towing Flat to moderately hilly roads No extended idling Severe 5000-7499 miles (8000-11999 km) Moderate to heavy load or towing Mountainous or off-road conditions Extended idling Extended hot or cold operation Extreme 3000-4999 miles (5000-7999 km) Maximum load or towing Extreme hot or cold operation Maintenance Intervals At every oil change interval as indicated by the information display * Change engine oil and filter. ** Rotate the tires. Perform a multi-point inspection (recommended). Inspect the automatic transmission fluid level. Consult your dealer for requirements. Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and parking brake. Inspect the engine cooling system strength and hoses. Inspect the exhaust system and heat shields. Inspect the rear axle and U-joints. Lubricate any areas with grease fittings (A