This has been a PSA to please stop.
When they go too slow in the fast lane of the highway:
ed_wp-content_v2.s3.amazonaws.com / Via Heart and Souls (1993)
When they forget how to drive during any weather that's not sunny and clear:
Just because the speed limit is 45 mph it really doesn't mean you have to drive that fast when there's snow and ice covering the roads; it also doesn't mean that you can brake at the last second either.
iFun.ru / Via Saturday Night Live
When they don't turn their headlights on at night:
Related: don't turn their high-beams down.
img51.imageshack.us / Via The Jersey Shore
When they have their bass up so high you feel the bass drop inside your bones:
blondewonk.com / Via Wayne's World (1992)
