Operation CHARM: Car repair manuals for everyone.

Maintenance: Application and ID

SEVERE SERVICE DEFINED

1. Trips of 5 miles (8 kilometers) or less.

2. Trips of 10 miles (16 kilometers) or less and the outside temperature remains below 32 degrees Fahrenheit.

3. Trailer towing.

4. Operating in dusty, sandy or salty areas.

5. Extended idling conditions or low speed operation such as stop and go traffic.

6. Extended driving in excessive temperature conditions (above 50% at 90 degrees Fahrenheit).

7. When vehicle is used for delivery services, police, taxi or other commercial applications.

8. Driving continuously in excess of normal highway speeds.