Toyota Prius Owners Manual
General maintenanceVehicle maintenance and care / General maintenance
Listed below are the general maintenanceitems that should be performed as frequentlyas specified. In addition to checkingthe items listed, if you notice anyunusual noise, smell or vibration, youshould investigate the cause or take yourvehicle to your Toyota dealer or a qualifiedservice shop immediately. It is recommendedthat any problem you notice bebrought to the attention of your dealer orthe qualified service shop for their advice.
Make these checks only with adequateventilation if you run the engine.