HOW TO DETERMINE YOUR
TYPICAL DRIVING CONDITIONS

For standard driving conditions, a 7,500-mile service interval will apply. For heavy-duty conditions, a 5,000-mile interval will apply. If any of the following conditions apply, select Heavy Duty.

• Repeated short-distance driving
• Driving in dusty conditions
• Driving with an extended use of brakes
• Driving in areas where salt or other corrosive materials are being used
• Driving on rough or muddy roads
• Extended periods of idling or low-speed operation
• Driving for a prolonged period in cold temperatures or extremely humid climates