Check Fluid Level In Reservoir
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Lexus GS 430, 2004 Lexus GS 300, 2003 Lexus GS 430, 2003 Lexus GS 300, and 2002 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch off. Depress the brake pedal more than 40 times.
- Remove reservoir cap and add brake fluid up to the "MAX" line.