brake light 
noun
A red light at the back of a vehicle that is automatically illuminated when the brakes are applied.The entire light cluster can be a rear light, a brake light or an indicator, and automatically adjusts in intensity and brightness to suit prevailing conditions....
- The re-engineered boot lid features a centrally-mounted brake light and reversing lamp.
- He noted a leaking shock absorber, a broken exhaust front pipe bracket, a broken rear light, a broken rear brake light and a ripped windscreen wiper.
- unrestable
- unrested
- unrestful
- unrestfully
- unrestfulness
- unresting
- unrestingly
- unrestless
- unrestorable
- unrestorative
- unrestored
- unrestoring
- unrestrainable
- unrestrained
- unrestrainedly
- unrestrainedness
- unrestraint
- unrestricted
- unrestrictedly
- unrestrictedness
- unrestrictive
- unresty
- unretained
- unretaliated
- unretarded