You can easily change the credit card information in CarLock phone app or in my.CarLock web application.

To change the credit card information and update the payment card, follow these steps:

• Open your web browser, go to my.carlock.co and log in to your existing CarLock account.
• If you have more than one vehicle activated within your account, first select the vehicle you want to change the credit card information for.
• Navigate to the subscription tab on the Sidebar. And change the credit card.

2. To change credit card on the CarLock phone app, follow these steps:

• Open your CarLock app, and tap on the dashboard (circle on the left side of the ''lock'' circle)
• Tap ''Profile'' 
• Tap ''Manage'' and choose to manage the subscription
  *If you have more than one vehicle activated within your account, first select the vehicle you want to manage the subscription for and then tap a wrench next to it to choose to manage the subscription
• Change credit card

If you have more than one device, you need to repeat this process for every vehicle you would like to change the credit card information for.