After reconnecting a battery, the security system will not enter the configuration mode on the first attempt. Therefore, after all battery reconnects, the configuration sequence must be modified as follows.
Set run switch to OFF, cycle ignition key ON-OFF-ON-OFF-ON and press left turn signal switch twice.
Wait for one to three confirmation flashes of the turn signals and then set ignition key switch to OFF.
Repeat steps listed above.
Continue with configuration sequence listed.