Home › Models › BYD Sealion 7 › Repair

This hub provides information on diagnosing and repairing systems on the BYD Sealion 7. A number of diagnostic and repair tasks require specialised tools. High-voltage components must not be opened by owners. Confirm with an authorised BYD dealer / service centre before proceeding. BYD’s own procedure applies to all maintenance tasks. Check your owner’s manual for routine checks.
Repair guides by system
Repair topics
- Component locations: Find out where the fuse box, OBD port, and other items are located.
- Battery and charging: Information on the traction battery and charging port.
- Brakes: Information on the braking system.
- Suspension and tyres: Information on the suspension components and tyre systems.
- Air conditioning: Information on the climate control system and heat pump.
- Infotainment and software: Guidance on the 15.6-inch touchscreen and smartphone integration.
- Lights and glass: Information on the LED headlights and windscreen.
Frequently asked questions
Can I repair the electric motor myself?
No. The drive unit and high-voltage systems are dealer-only work.
Where can I find repair procedures?
Check your owner’s manual for basic maintenance. Professional repairs require dealer software and manuals.
Does modifying the car affect the warranty?
Unauthorised repairs or modifications can impact the warranty.
Who can work on the high-voltage system?
Only trained technicians at an authorised workshop can safely work on high-voltage cables and batteries.
See also
Sources
- BYD UK model information: https://www.byd.com/uk
- BYD UK media site: https://bydukmedia.com