a road sign warning people to turn off your vehicle's engine.

transport road highway lane infrastructure lighting stadium freeway downtown vehicle advertising signage street city overpass sign shows warning people turn vehicle#39aph39#s engine markings yellow black safety symbol icon parking prohibited prohibition restricted restriction auto silhouette sign safety symbol icon road parking prohibited prohibition restricted restriction vehicle auto silhouette white stop warning traffic transport transportation vector automobile background black isolated car cars forbidden danger bike warn beware travel tree information language park outdoor nature caution malaysia concept air service turn idling burning