Answer:

antifreeze

AnswerCrossword Clue
ANTIFREEZERadiator necessity
ANTIFREEZEEngine protection in the winter
ANTIFREEZEOpposed to a cap on wages?
ANTIFREEZEEngine protector
ANTIFREEZECar-radiator additive
ANTIFREEZEAlcohol needed for driving?
ANTIFREEZERadiator protection.
ANTIFREEZEAlcohol, for one.
ANTIFREEZECoolant not needed in August
ANTIFREEZEWintertime necessity, on the road
ANTIFREEZEWinter engine necessity
ANTIFREEZEWinter need for engines
ANTIFREEZERadiator liquid