When turning left at an intersection and you have to wait for a gap in the oncoming traffic, stop so the front tires of the vehicle are on the front crosswalk line. This technique allows you to be commited to the left turn, but not be in the intersection in the event something goes awry.
Questions arise about how heavy is a truck, RV trailer, or truck-trailer combination. If your truck-trailer, or RV unit exceeds specified gross vehicle weights, the driver will require a higher class of licence. In British Columbia, for example, if you are towing a trailer exceeding 4,600kg (10,100lbs), but neither the truck nor trailer has air brakes, the driver is required to have a heavy trailer endorsement (Code 20).
To do this task, the head restraint must be adjusted so that its top is at least level with the top of the occupant’s ears.
In recent years, traffic safety professionals have attempted to change the nomenclature commonly used for this device. Originally it was referred to as a “headrest”. However, in recent years, this device has significantly reduced death and injury vehicle occupants sustain when involved in a rear-end collision.
The head restraint prevents the head and neck from being snapped backward during a rear-end collision.