To change your vehicle manually when it doesn't show your number plate, follow the steps below...
1. Log in to your account and select 'Your car, make changes'
2. On the car page, select 'Change this car'
3. On the car changes page, select 'Get a quote to replace car'
4. Enter the number plate of the new car
5. Add and check the details of the new car manually using the vehicle log book (V5C)
6. Make sure you update any other details that may have changed
7. Select the date you want cover to start
8. Check the price, the car details and the add-ons
9. Select how you'd like to pay and make payment
10. All done!