Severe Driving Conditions

A - Repeated short trips of less than 5 miles (8 km) in normal temperatures, or less than 10 miles (16 km) in freezing temperatures

B - Extended engine idling or low speed driving for long distances

C - Driving on rough, dusty, muddy, unpaved, gravel or salted roads

D - Driving in areas using salt or other corrosive materials, or in very cold weather

E - Driving on sandy areas

F - Driving in heavy traffic with outside temperatures above 90°F (32°C)

G - Driving on steep hills or mountainous roads

H - Towing a trailer, using a camper or roof rack

I - Driving as a police vehicle, taxi, other commercial use, or towing vehicles

J - Driving at speeds over 106 mph (170 km/h)

K - Frequent driving in stop-and-go conditions