Three problems related to transmission slip out of gear have been reported for the 2000 Lexus RX300. The most recently reported issues are listed below.
In oct 2009, noticed a slip 2000 Rx300 transmissions 30mph. Would not slip out of 1st gear so when 5 mph to get home. Have Rx300 towed to mechanic. Transmission failed at 140,000 miles. Replaced with rebuilt transmission.
The contact owns a 2000 Lexus Rx300. While driving 55 mph, the transmission began losing power and slipping out of gear. Eventually, the vehicle would not move at all and had to be towed. The diagnosis was transmission failure. The failure mileage was 110,000.
Transmission constantly slips out of gear or fails to engage reverse gear from park. Car slows suddenly or fails to accelerate because of transmission problem. Transmission may need to be replaced.