Water Sprinkling Method
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Ensure vehicle does not have any water leaks before using water sprinkling method. If water leak exists, use care when applying water that no water is sprayed directly on any electronic components.
Spray outside of vehicle and front of radiator with water while checking for a malfunction to exist. DO NOT spray water directly into engine compartment. The temperature and humidity may be changed by spraying water onto the front of the radiator. DO NOT directly spray electronic components with water.