3. Transaction Protection Configure supported Auto Shop transaction-lock controls. How to configure Auto Shop transaction protection Supported Auto Shop configurations can protect transactions until a configured receipt count is reached. Configure transaction protection Open Settings > Security. Find Transaction Protection. Enable Lock Transaction. Enter the receipt count used by the protection rule. Save Security settings. This section appears only when the Auto Shop module and related configuration are available for the location. Confirm the intended receipt-count workflow with the business before enabling the lock. An incorrect value can interrupt normal transaction handling.