2009 Toyota FJ Cruiser Owners Manual - Page 304

4-1. Maintenance and care NOTICE n Water on the floor Do not wash the vehicle floor with water. Vehicle systems such as the audio system may be damaged if water comes into contact with electrical components under the floor of the vehicle, and may also cause the body to rust. n Cleaning the inside of the rear window Be careful not to scratch or damage the heater wires. 278