sign. apply brakes when stationary. danger

advice advise advising alarm alert application apply attention background brake brakes caution check command consistently damper danger decelerate disability disabled engage exclamation execute fixed habitually hazard immovable inert inform information luggage mark motion motionless notice notification off parked perform practice proceedure pushchairs regularly restraint rigid rooted secure sign signage signal signifier slow standing standstill static stationary stop task threat tip trolleys unfailingly unmoving warning wheelchairs white yellow