why is my radio beeping like a microwave on or off - 1994 ford mustang gt
my 1994 ford mustang gt just started beeping from the radio and the radio is off or on and it still does it. driving me crazy. when the car is off it stops. it starts after i have been driving for about 10 mins and does it about every 10 mins after that. sounds just like a 3 beep microwave. beeps 3 times in sequence about 4 times in a row and than the same thing every 10 mins . im thinking its computer driven because they just hooked up the computer on my car to get the air bag yellow light off and i thing that has set something else off. im open to any other ideas. i pretty sure its not my seat belt not engaged but i will ck that again. please help with any ideas !!!