Service Intervals

Check transmission fluid level at every engine oil change. Under normal service, change transmission fluid and filter at 150,000-mile intervals. See DRAINING & REFILLING  . Service all models at 30,000-mile intervals when used under the following conditions:

• In hot weather with temperature greater than 90°F (32°C), carrying heavy loads and/or in hilly terrain.
• Towing a trailer or using a car top carrier.
• In police, taxi or door-to-door delivery service.
• Extreme dusty conditions or off-road use.