| Radial and bias-ply tires used together | |
| Mismatched tire sizes | |
| Too much air pressure | |
| Tread depth of 6/32 on the front tires |
| The driver`s side mirror provides less distortion | |
| You have better visibility | |
| You can back more quickly | |
| The law requires it |
| It isn`t important to use a helper when backing | |
| To warn traffic and pedestrians that you`re backing | |
| To let you know when you`ve backed far enough | |
| To provide another set of eyes to avoid blind spots |