A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Automotive computer memory retaining tools designed to maintain the memory of the on-board vehicle computer (CCU) when the power source (battery) is disconnected.
Use of these tools when changing or interrupting the power source prevents loss of certain drivability codes, keyless entry codes, digital radio setting, cellular phone settings and other memory related functions.
Prevents loss of radio function on anti-theft radio systems.