Just brought a citroen c2. Replaced the clarion stereo but since doing this we have

[MartinCrayden]

now got a problem.? The central locking locks the the car but on the second press of the key the indicators do not flash rapid like before the change and after a while wen returning to car the key fobs don't seem to work until unlocking the car on the key. Allso fitted a bass speaker and amp live wire been of battery very minimall amount of time any answers positive ones pls it's my baby girls car and I'm feeling guilty I might have broken it :-((