While Lexus says it is working on finding a solution for the glitch, some owners Tweeted that they were able to fix the issue by disconnecting their battery to force a reset of the system or visiting a dealership.
If when directly connected the “antenna” message is displayed, there is likely a bad antenna or antenna port on the radio.3.
Make sure your antenna is located outside your building (preferable on the roof) and has a clear view of the sky.
The antenna extension kit should be installed in the following format:8.
If you cannot acquire any antenna signal, disconnect antenna extension and directly connect the radio to the antenna.
If you hear your background music through the headphones, the problem is with the amplifier or speakers.