I have the same issue and it was a nightmare. New car battery would drain in few days of not driving. First I unplugged the damn siren speaker so at least it was quite but noticed my car's BT unit was not functioning when I tried connect it to my phone. Now after reading this I unplugged HFT...
Hi all. I just started to have issue with my diesel accord 08 reg. Had car 3 months now. It takes forever to start engine. Battery is new, plugs are fine (a bit too black though). Starts better when cold but nightmare when hot. No warning light or message on display. Any clues please.