Directed BP1 Transponder Interface Module The BP1 learns the vehicle as a true authorized key. Using DirectLinkDT and the DKPROG tool, simply follow the flash/program steps. During a remote start attempt, the BP1 presents key data to the vehicle exactly like a factory smart key would. General Features: • No need for customers to give up a key • No alignment or placement issues like with key-wraps • No IMMO line interrupts or risk to smart-key antenna wiring • Works with new GM Global-B vehicles • No extra wiring—connects to DS3/DS4 with a simple D2D cable • Provides a true authorized start (no "tricking" the vehicle) • Requires new DKPROG programming tool (sold separately) Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.