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When to expect the OIL CHANGE REQUIRED Message
Vehicle Use and ExampleInterval
Normal
7,500–10,000 mi (12,000–16,000 km)
Normal commuting with highway driving
No, or moderate, load or towing
Flat to moderately hilly roads
No extended idling
Severe
5,000–7,500 mi (8,000–12,000 km)
Moderate to heavy load or towing
Mountainous or off-road conditions
Extended idling
Extended hot or cold operation
Extreme
3,000–5,000 mi (5,000–8,000 km)
Maximum load or towing
Extreme hot or cold operation
533
2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing
Scheduled Maintenance
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