See also:

P Metric
With the P-Metric system, Section Width is measured in millimeters. To convert millimeters into inches, divide by 25.4. The Aspect Ratio (Section Height divided by Section Width) helps provid ...

When there is an upward slope at the back
1) 3 feet (1 m) The distance on the screen looks farther than the actual distance. ...

Rear seats
Seatbelts provide maximum restraint when the occupant sits well back and upright in the seat. Do not put cushions or any other materials between occupants and seatbacks or seat cushion ...