Petmode
Alerts for heat above your threshold, or the car switching off during Petmode.
A little help looking after your BYD
When your car needs you, YenJai helps you know.
Something important? Get an alert straight away in the app, so you can check on your car.
✓ Read-only access✓ Independent service, not affiliated with BYD
Alerts for the things you care about
Vehicle started
Enable parking watch to get an alert when your car is started.
Charging target reached
Get an alert when the battery reaches the percentage you choose.
Get started in the app
Get the app and verify your email
Sign in with an email code. Registration takes place in the app.
Share your car with a BYD secondary account
Follow the in-app guide and grant only the permissions needed.
Connect and allow notifications
Test alerts on your phone, then choose your monitoring modes.
A few useful answers
Do I need extra hardware?
No. It uses vehicle data through the BYD secondary account you authorize.
Must I keep the app open?
iPhone and Android push can deliver alerts when notifications are allowed, subject to phone settings and network availability.
Where do I manage my account?
Use YenJai to manage your vehicle, alerts, membership and account deletion.
Android is in closed testing
Enter your Google Play email on the download page. We will add tester access and email your installation link.