To have a traditional black box removed, you’ll need to speak to your insurer who’ll send an engineer to remove it. You may be charged for any damage caused to a device you remove that the provider requires returning.  If you have a plug-and-drive device, you simply unplug it yourself. If you want to use it in a new car, you can plug it back in. But don’t forget to let your car insurance provider know what you’ve done. Don’t forget to add removal or end-of-contract costs into your overall insurance budget as it’s important to know the total insurance cost for any period of time