Skip to content

OWNER ANSWER

Original ATTO 3: noise when the parking brake operates

A motor sound while the original ATTO 3 electric parking brake engages or releases is documented in the handbook. Check whether the noise coincides with that operation and whether the brake shows its expected state. Noise alone cannot establish that an unfamiliar braking fault is harmless.

Parking Brake: Listen in context. Check the state. Concept diagram, not a vehicle-control photograph.

Original ATTO 3 RHD EN-240801; not ATTO 3 EVO. Controls and equipment must match your car.

  1. During an ordinary parking stop, hold the footbrake and select P. Observe when the sound happens as the parking brake engages. Safety note: Do not trigger emergency braking to reproduce a noise. Keep the footbrake held when operating the parking brake; a brake warning, unsafe braking or failure to hold needs assistance.
  2. With the car powered on and the parking brake engaged, check its engaged indicator. The handbook describes this as staying on while engaged.
  3. When the car is powered off, that engaged indication can go out after about three seconds. Its going out then does not mean you should reapply the brake repeatedly.
  4. Note whether the sound is limited to engagement or release, or continues after the operation. Leave the car secured in P with the parking brake applied.

What success looks like

The motor sound coincides with parking-brake operation and the indicated state matches the action. This is consistent with the handbook; it does not diagnose grinding, persistent noise or a warning as normal.

If that did not work

If the sound is new, harsh or continues, or engagement/release fails, ask BYD to check the parking-brake actuation and any stored brake fault. Tell them whether the issue happens during engagement, release or both, and provide the exact warning if one appears. A short recording made while safely stationary may help distinguish the sound. A burning smell or unusual noise after actual emergency braking needs immediate service attention.

Useful next steps

BYD Original ATTO 3 RHD EN-240801; not ATTO 3 EVO handbook, PDF pages 110, 111. Checked 13 November 2026.

Open source (BYD UK)
Was this page helpful?

Help another BYD owner

If this page could help someone, share the link.

About your feedback

Feedback is optional and counted privately for this page version. There are no public scores. The feedback store does not record your name, question or IP address. This browser can remember that you voted; clearing browser storage lets you vote again. Standard hosting logs still apply. These votes are not counts of unique owners or vehicle faults.

Privacy policy
Share this page

Help another BYD driver.

WhatsAppFacebookEmailText messageNothing is sent until you choose a recipient and confirm in your app. Sharing services have their own privacy policies.