2004 Toyota Prius Owners Manual - Page 301

Checking tire inflation pressure 5. Install the filter and filter case in the reverse order of removal. Set the filter in the filter case correctly. INFORMATION The air filter should be installed properly in position. The use of air conditioning with the air filter removed may cause deteriorated dustproof performance and then affect air conditioning performance. 82p105 Keep your tire inflation pressures at the proper level. The recommended cold tire inflation pressures, tire sizes and the combined weight of occupants and cargo (vehicle capacity weight) are described on pages 310 and 313. They are also described on the tire and loading information label as shown. You should check the tire inflation pressure every two weeks, or at least once a month. And do not forget the spare! The following instructions for checking tire inflation pressure should be observed: D The pressure should be checked only when the tires are cold. If your vehicle has been parked for at least 3 hours and has not been driven for more than 1.5 km or 1 mile since, you will get an accurate cold tire inflation pressure reading. 289