A battery ground cable disconnect is necessary before performing maintenance on the antenna lead-in cable. The service and repair of the antenna lead-in cable starts by removing the package tray trim panel, roof side rear trim panels, right-hand front and rear scuff plates, lower quarter trim panel, B-pillar trim panel and right-hand instrument panel lower insulator after removing pin-type retainers and releasing locking tabs and disconnecting the courtesy lamp. Start by taking out the lower trim panel from the A-pillars and disconnect the radio antenna lead-in cable. The antenna lead-in cable of the wiring harness cannot be detached so install a new cable above the existing one secured by wire ties while insulating the old cable ends to block noise. The new antenna lead-in cable requires connection at the antenna isolator module before installation through the wiring harness conduit along the rocker panel to finalize the antenna lead-in cable connection. This procedure requires reinstalling the A-pillar lower trim panel together with the instrument panel lower insulator and B-pillar trim to be followed by the lower quarter trim panel and scuff plates and finally the roof side rear trim panels and package tray trim panel. Complete the procedure by reconnecting the battery ground cable to its original position. A vehicle might show unusual driving problems after battery connection and disconnection because it needs to adapt its driving strategy through prolonged use of 16 km (10 mi) driving before normal operation is achieved.