One problem related to side/rear glass has been reported for the 1999 Lexus RX300. The most recently reported issues are listed below.
When rear windows are opened and vehicle is traveling over 30mph roof shakes and vibrates. Also, the passenger's ears start to pop. Dealer is aware and says it's normal.
| Rear Window Wiper Washer problems | |
| Sun Roof problems | |
| Visibility problems | |
| Blower problems | |
| Side/rear Glass problems |