Unfortunately, you can't. The BOLT Trailer Hitch Receiver Lock # BL7023585 that you have is permanently code to only 1 specific vehicle/key. They cannot be re-coded or re-keyed, the locks will only work with the original vehicle/key.
Unfortunately, you would need to get new locks that are compatible with your new vehicle. view full answer...
You will not need to use the splice kit, but you will need to use new wiring in order to upgrade to and install the Rear View Camera system you asked about:
- Rear View Safety Backup Camera System # RVS-770613-NM
This camera system comes with its own 5-pin connectors, and the splice-in kit won't be something that will allow you to use your existing wiring, you will need to wire this up on its own. This is a really nice choice for a back-up camera and monitor due to its large 7 inch screen... view full answer...