One problem related to brake pedal and linkage has been reported for the 2000 Lexus RX300. The most recently reported issues are listed below.
The vehicle experienced brake failure on 6 different occasions, and has been inspected 3 times, when the pedal is applied it engages and goes to the floor, after a few seconds the brake will re-engage. The dealer has been unable to correct the problem. The consumer suggested that if the brakes are unable to be fixed, then the dealer should re-purchase the vehicle.