Try to lock car outside of vehicle, push button twice. The first step is to find the chime itself.
MERCURY MOTOR BEEPING HOW TO
Ford: "A 'key-in-ignition' warning chime is expected to sound continuously under certain conditions when the vehicle is turned OFF and the driver's door is opened.It used to not do that, but now it happens 100% of the time and is pretty annoying. There are many OBD2 scanners, but does the FORScan somehow differ? Yes, because it is designed especially for Hi, in my 2003 Ford Mondeo if the headlights are still on and I turn off the engine and get out of the car the warning / reminder sound that I have not turned off the lights is not working.
90-91 Ford Mustang Open Door Warning Chime Seat Belts Headlights Keys Ignition. If it still thinks the ignition is on it will not sound the horn. My tab came loose and grounded itself inside the barrel, key or no key. 3, 6 spd, South Bend Con OFE, Detroit Truetrac, Tony Wildman tunes, Autometer Boost&Pyro, AFE Stage II, 4" MBRP Exhaust, 2" Daystars, 17x9 DC1 wheels wrapped in 33x12.
MERCURY MOTOR BEEPING INSTALL
Wait for the seatbelt warning light to turn off, this will take about one minute. Either while I'm cleaning the interior of the car or just sitting at the beach with the door open wanting to listen to the radio. 1999 to 2016 Super Duty - Key in door open chime disable - with pictures! - I hate the chime when the key is in the igition and the door is open.
MERCURY MOTOR BEEPING DRIVERS
The interior light comes on when I open the drivers door so I know