Tap Account (or Pro) at the top of the screen, then Delete account. The account is deleted immediately.
Send a deletion request from the Google account's email address to benchworkapps@gmail.com. We delete the account and reply when it is done.
Records of service-reset key requests (dashboard type, motorcycle model, result and time) are kept with the link to your account removed, so they can no longer be connected to you.
Deleting your account does not cancel a Google Play subscription. Cancel it in Google Play subscriptions.