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OWNER ANSWER

Can I take my BYD SEALION 7 through an automatic car wash?

Yes. BYD says to switch off Auto Vehicle Hold (AVH) and fold the mirrors before an automatic wash. Ask the operator whether the car stays parked or the conveyor needs it to roll, and confirm the wash can accept your wheel and tyre size.

Sealion 7 Car Wash: Check Auto Hold and fold the mirrors. Concept illustration.
  1. Ask the operator which programme suits your paint and whether you need to stay in the car. If the wash needs the car to roll in Neutral, choose an attended wash that lets you stay in the driver’s seat. BYD says to select Park before getting out.
  2. Before entry, close the windows, switch the wipers out of Auto, and fold the mirrors. With the car on, use the AVH switch to turn Auto Vehicle Hold off and check that the AVH indicator goes out.
  3. Follow the operator’s instructions for the wash. For a conveyor that requires Neutral, check that N is displayed and the parking brake is released before the belt takes the car. Hold the brake until the operator tells you to let the car roll. For a wash with the car stationary, follow the operator’s parking instructions.
  4. Once clear of the wash equipment, unfold the mirrors and restore your preferred wiper and Auto Hold settings.

What success looks like

For a conveyor, the cluster shows N with the parking brake and Auto Hold indicators off, so the car is ready to roll when the operator signals. For a stationary wash, the car stays parked until the operator says it is safe to move.

If that did not work

If N will not stay selected or a brake indicator stays on, keep your foot on the brake and ask the operator to stop before the belt takes the car. Use a stationary wash if the operator cannot accommodate the car. If the same selector or brake issue also happens outside the wash, tell BYD which indicator or message appeared and ask them to check the selector or brake system as appropriate.

Useful next steps

BYD SEALION 7 RHD handbook, automatic washing, AVH and gear selection. Checked 13 November 2026.

Open source (BYD UK)
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