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Schedule I
Is any of these true for your vehicle?
Most trips are less than 4 miles (6
km).
Most trips are less than 10 miles (16 km) when outside
temperatures are below freezing.
The engine is at low speed most of the time (as in door-to-
door delivery, or in stop-and-go traffic).
You operate your vehicle in dusty areas.
You tow a trailer. (With some models, you shouldn't ever
If any one (or more) of these is true for your driving, follow
Schedule I.
tow a trailer. See the Index under Towing
a
Trailer.)
Schedule I1
Follow Schedule I1
only
if none of the above conditions is
true.
291
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