See also:

Look well ahead when driving
Avoid unnecessary acceleration and braking. By maintaining a suitable distance to the vehicle driving ahead of you. Driving smoothly and looking ahead reduces fuel consumption. ...

Distance to back of head: electrical head restraints
The head restraint is automatically repositioned when the shoulder support is adjusted. ...

Safety
The X3 earned a 2009 Top Safety Pick designation from the Insurance Institute for Highway Safety, the agency's highest award. That means it earned top scores in IIHS' frontal-offset, side-impact a ...