See also:

Odometer
The odometer shows how far the vehicle has been driven, in either kilometers or miles. ...

Passing
More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go farther beyond the passed vehicle before returning to the lane. ...

Defensive Driving
Defensive driving means “always expect the unexpected.” The first step in driving defensively is to wear the safety belt. See Safety Belts on page 3‑12. ○ Assume that other road use ...