Its a setting in the initial/setup menu

thank you all you guys for your help. i was finally removed the flashing circuit and did the 2 wire bypass and now the unit works like a charm but there is another issue now which i need to ask you guys a way to fix it.

while giving directions my unit used to interrupt any audio sounds but now it gives directions while audio sound is on and won't interrupt it. i would appreciate any help to solve this issue

thanks

thanks alot, i"ll check it out. this seems like an endless story there is always an issue to deal with.