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Q: The radio turns on and displays the function but there is no sound. on 2006 Lexus RX400h

Everything else seems to work fine.Its just like the mute is on.Also when you push the agree button to activate the GPS the ding noise does not sound now
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Sounds like some kind of setting on the radio may be activated - perhaps something to do with like a Bluetooth function if equipped? Hard to say. Visiting a dealership service drive to see a service advisor may not be a bad idea, as most of the time, the advisor needs to go through your issue with you even before writing up a repair order. This way, they can give you some direction as to if there is a setting that needs adjusted, or if it's just an internal radio issue.
i am having the same problem. sometimes the speakers work and sometimes they do not work. there is a clicking/popping noise right when i turn on the car if the speakers are not going to work.

i took the car to the dealer yesterday, and they claim i need a new amplifier (=$1400), but i am not convinced since the speakers still work some of the times when i turn the car on. i think it might be some lose wires?

did you figure it out?
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