Just installed this on the back of the existing Grom MP3 adapter into my 2008 Avensis (Sat Nav). Thought I'd share it with you. Only £29.99 from Amazon (just read the reviews!) http://www.amazon.co.uk/Kinivo-BTC450-Bluetooth-Hands-Free-input/dp/B009NLTW60/ref=sr_1_1?ie=UTF8&qid=1389378062&sr=8-1&keywords=kinivo+btc450 To hide all of the cables I installed a second power supply behind gear lever trim. The unit cabling was threaded through a blanking plate on the left of the steering