Maintenance
9-8
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of 
the following conditions apply. If any of the following conditions apply, you must follow 
the Maintenance Under Severe Usage Conditions.
•  Repeated driving short distance of less than 5 miles (8 km) in normal temperature or 
less than 10 miles (16 km) in freezing temperature
•  Extensive engine idling or low speed driving for long distances
•  Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
•  Driving in areas using salt or other corrosive materials or in very cold weather
•  Driving in heavy dust conditions
•  Driving in heavy traffic area
•  Driving on uphill, downhill, or mountain road repeatedly
•  Towing a trailer or using a camper, or roof rack
•  Driving as a patrol car, taxi, other commercial use of vehicle towing
•  Driving over 106 mph (170 km/h)
•  Frequently driving in stop-and-go condition
•  Engine oil usage which not recommended (mineral type, lower grade spec, etc.)
If your vehicle is operated under the above conditions, you should inspect, replace 
or refill more frequently than the following Normal Maintenance Schedule. After the 
periods or distance shown in the chart, continue to follow the prescribed maintenance 
intervals.
SCHEDULED MAINTENANCE SERVICES