Originally Posted by alcheng

Blind Spot Indicator on side-mirror: for those stupid who forget/doesn't-check blind spot.

Auto-off turn signal: for those stupid who forget to turn off the signal after lane change.

Auto-park: for those stupid who doesn't have the skill to do a parallel-parking

Capless gas cap: for those stupid who always forget to put the gas-cap back in place and drive off when the hose was still attached.