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Disabling Front Cross Traffic Brake (FCTB)

EsotericComment | 2025-07-15 07:24 | 9 views

I had a concerning experience this morning with one of the safety features. Basically, it slammed hard on the brakes when I was turning right and the car behind came dangerously close to rear-ending me. It's happened before when I was by myself with no cars around so it didn't shake me up so much. This time, I was turning from a main road into a small street with my family in the car. I've had enough - it's dangerous. Unfortunately, it turns back on each time the car is switched on. Unlike traffic sign recognition and child presence detection which can have shortcuts on the swipe-down menu, the setting only appears to be under ADAS in the settings. What are some quick ways you've found to disable ADAS settings such as FCTB?

Comments (15)
[deleted] 2025-07-15 07:31

[deleted]

EsotericComment 2025-07-15 07:36

I changed a setting to "vibrate only" but FCTB seems to keep turning back on

RandomMagnet 2025-07-15 07:39

You can't permanently disable it. It's the biggest problem with this car.

zedder1994 2025-07-15 07:52

It was more likely caused by the AEB, not the FCTB and is commonly called phantom braking. This is a common problem with a range of cars, and there is not a lot that can be done to deactivate the emergency braking.

EsotericComment 2025-07-15 07:54

Bugger. Sucks they don't give us the option at least :(

RandomMagnet 2025-07-15 09:25

They claim it's to meet safety standards, but if it's gotten to the point where multiple people are outright disabling it before they drive then arguably it's a faulty system to begin with... BYD have tweaked the sensitivity a few times, but IMHO it's still fubar...

anomaly256 2025-07-15 09:44

You can remove the ADAS fuses, but that would disable everything and I strongly advise against it. BYD have heard our complaints before and made changes, it's worth reporting this incident to them.  Everyone should do this.

Wildpig953 2025-07-15 12:24

It basically means you need to change the way you drive

Wildpig953 2025-07-15 12:25

It’s not that they claim, it’s the ANCAP requirement to be able to achieve 5 star rating

RandomMagnet 2025-07-15 13:01

Can you share the ANCAP reference where manufacturers are not permitted to allow users to permanently disable safety features?

CasualJan 2025-07-16 01:50

I don't think it is specifically ANCAP - but it is definitely in the EU regulations. The regulations mandate that the systems re-enable whenever the car is started. Given our market size, Australia just inherits these settings that make a car qualified to be sold in the EU. EU Regulation 2019-2144 (also known as GSR II), which came into effect on Nov 27, 2019 (https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:02019R2144-20240707) For example, Article 6 talks about "Advanced vehicle systems for all motor vehicle categories", and lists examples like: * Intelligent speed assistance * Alcohol interlock installation facilitation * Driver drowsiness and attention warning * Advanced driver distraction warning * Emergency stop signal * Reversing detection * Event data recorder And it says things like, for the Intelligent speed assistance > it shall be possible to switch off the system; information about the speed limit may still be provided, and intelligent speed assistance shall be in normal operation mode upon each activation of the vehicle master control switch; So basically, after 2019, if a manufacturer wanted to sell a new car in the EU...

EsotericComment 2025-07-16 01:53

Noted. I'll drop them an email. The rest of the ADAS seems ok to me (for now), but can't have a car that could potentially auto brake in the middle of an intersection

EsotericComment 2025-07-16 01:54

Curious, do you disable AEB too before drives?

RandomMagnet 2025-07-16 02:31

I guess FCTB would fall into "advanced emergency braking", but its not clear if that system should be able to be permanently disabled (and I would argue as a whole system - no it shouldn't be)... But, I think *CAP probably keep it loosey/goosey on purpose... Either way, I dont expect too much support from the manufacturer and will likely need to look to aftermarket for a fix : |

zedder1994 2025-07-16 03:32

AEB cannot be disabled. New cars are no longer allowed to be sold in countries like Australia if they do not have AEB.

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