When i use my power mirrors there is a buzzing in the radio also when i use my power windows the radio volume goes up by double at least.and the radio has to be turned up all the way to be loud,also its not the stock radio ive had this problem for about two years . thanks

 

Sounds like RFI. Check all connections, including grounds. If the connections aren't the problem, re-route the wiring to the HU.