My car was parked for a while, and I disconnected the battery. Now that I've reconnected it, the loudspeaker keeps sounding continuously, and the remote key isn't working. Does anyone know what's going on?

What could be the issue if the loudspeaker in the S80 isn't working?

After locking the 2.0 manual ASX, the remote works fine, but why can't it be opened with the key? Any ideas?

The second key hasn't been used for a while. Recently, I took it out and found that the remote doesn't work. I changed the battery, but it still doesn't work. Does anyone know why?

Who knows where the remote receiver for Xiaoya is? My key isn't working well, and I basically have to get really close to the car for it to respond.

My 2013 Sharan's electric door sometimes won't close by itself, and the button doesn't work either. After disconnecting and reconnecting the power, it works again. Does anyone know the reason?

Has anyone replaced the key battery before? After I replaced the car key battery myself, I can remotely lock and unlock the doors without any issues, but the car won't start when I insert the key. The anti-theft system isn't connecting. Does anyone know how to solve this?

After disconnecting and reconnecting the battery, the navigation unit went black. Why is this car so fragile? Ugh.

My car was parked for a while, and I disconnected the battery. Now that I've reconnected it, the loudspeaker keeps sounding continuously, and the remote key isn't working. Does anyone know what's going on?

If the remote control function of your Peugeot 307's key is not working, even though the key itself is in good condition, what could be the issue?

The car is over three years old, and recently the key isn't working well. Could it be that the battery is dead?