21. The 1.3-litre base model gained head restraints , a passenger door mirror and a radio. 22. Twenty-seven of the cars measured had fixed head restraints . 23. NASCAR still has not mandated the use of any head restraint system by its drivers. 24. Safety changes included " clam shell " bucket seats with high backed integrated head restraints . 25. Each seat has an adjustable head restraint with the front ones pivoting on SE models. 26. To meet North American head restraint requirements, VW developed the industry's first high-back bucket seat. 27. Safety features include six airbags, active front head restraints , and a tire pressure monitoring system. 28. Saab has a new Active Head Restraint system to protect front passengers from whiplash injuries. 29. Start with rugged head restraints on all four seats. 30. The rear seat head restraints caused visibility problems in the previous model due to their size.
