Xpresskit 556uxl Universal Remote-start Immobilizer Interface Module With Selectable Windings For Larger Vehicle Keys

• Larger version of 556UW • Designed to handle larger keys which don't fit the 556UW • For use when installing remote-start products in vehicles equipped with a transponder or RF-based immobilizer system • Immobilizer enables ignition and/or fuel system • If an attempt is made to start vehicle and the transceiver does not receive a valid code, ignition and sometimes fuel systems are disabled • 556UXL bypasses immobilizer system only while the remote start is in use, maintaining the factory system's integrity • Requires use of a spare key for the vehicle