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
Use with 9 volt alkaline battery (not included)
Maintain the memory of the onboard vehicle computer when the battery is disconnected. Use with 9V battery, NOT included.