The traditional mirror setting:

Question

After your seat is properly adjusted and you are seated in an upright position, adjust the left side view mirror to see the left edge of the vehicle and adjust the right side view mirror to see the right edge of the vehicle. This is a traditional mirror setting that may be most appropriately used by drivers of trucks, vans, and SUVs when towing or backing in tight areas.

Accepted Answer

May be appropriate for large vehicles when towing or backing in tight areas.

Answer

Does not show the edge of the vehicle.

Answer

Is appropriate for all vehicles in all situations.