Also had the same problem with my RX300 2003 model unfortunately did not know about the forum so I paid dealy for the locksmith to remove the lock pending purchasing and installation of new one. Later when I was fidling with the lock and key to my surprise the key smoothly turned. I quickly put it back and the car is working properly 8 months down the line
Rx 300 Keys Does Not Turn Ignition Lock
in 99 - 03 Lexus RX300
Posted
Also had the same problem with my RX300 2003 model unfortunately did not know about the forum so I paid dealy for the locksmith to remove the lock pending purchasing and installation of new one. Later when I was fidling with the lock and key to my surprise the key smoothly turned. I quickly put it back and the car is working properly 8 months down the line