sentences:  Air Cushion Restraint System
  
  The Air Cushion Restraint System (ACRS), was developed by General Motors in the early 1970s, and consisted of both a driver's and passenger's side air bag, along with a lap belt and status indicator light.The system was first installed in a test fleet of 1,000 1973 Chevrolet Impala 4-door sedans, painted in a unique green color.