Audi Q5: Driver messages

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant used is tetrafluoroethane R134a, which boils at -26.5 ºC (-15.7 ºF) at

 Uniform tire quality grading

Tread wear Traction AA А В C Temperature ABC Quality grades can be found where applicable on the tire side wall between tread shoulder and maximum section width > fig. 204. For example: Tread wear 200, Traction AA, Temperature A. All passenger car tires must conform to Federal Safety Req