How to Set the Locking Horn Sound for BYD Vehicles?

2 Answers
McAdaline
07/24/25 4:29am
Here are the methods to set the locking horn sound for BYD vehicles: 1. Set via the in-car central control. Find the "Vehicle Settings" option in the car's system, then enter the "Control Page." Enable the "Locking Sound Alert" on the control page, and the horn will sound once when locking the car; 2. Set via the key. If the car key has a mute button, simply press the mute button towards the car to turn the locking sound alert on or off; 3. Modify ECU settings. If the car does not have a mute button and cannot be set in the car's system, you will need to visit a 4S shop to have a technician modify the ECU data.
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EmilyAnn
08/11/25 12:03am
Setting the horn sound for BYD's car locking is actually quite simple, and I've learned a lot from my car enthusiast circle. The usual method is to handle it through the central control screen in the car: after getting in, don't start the engine—first power on the car's system, such as pressing the start button to enter ACC mode. Then, find the 'Settings' icon on the home screen and tap to open it, entering the vehicle settings menu. There, you'll find a 'Door Lock' or 'Lock Sound' option; tapping into it allows you to toggle the sound on or off. Some newer models like the BYD Han even support selecting different alert sounds, such as beeps or honks. I recommend trying the quiet mode to avoid disturbing neighbors when returning home at night. After saving the settings and exiting, test the effect by remotely locking the car. The whole process takes just a minute or two and is quite convenient. If you're unsure about the location, checking the owner's manual or the BYD app can also provide guidance. Personally, I prefer turning it off to reduce noise pollution.
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