IF YOU CONFIRM One or more of the following is occurring on an Applied Vehicle: -- Audio streaming via Bluetooth is "choppy" or "clipped." -- "Calculating Route" takes an extended period of time (2-5 minutes) to complete. -- "Could not find a route" displays when attempting to calculate a route. -- Voice Recognition sequence takes too many steps. -- Voice Recognition has difficulty recognizing voicetags. -- The Navigation system reboots. -- XM NavTraffic is slow to report. -- "Handset Phonebook" access is slow. -- When a hands-free call via Bluetooth is in progress and another call comes in ("call waiting"), there is no function available to answer the incoming call. -- Caller ID is not available when a hands-free call via Bluetooth is in progress and another call comes in. ACTION 1. Perform steps 1-7 of Confirm Navigation Program Version in the Service Procedure to verify whether or not this bulletin applies. 2. If this bulletin applies, load the Reprogramming Software DVD referenced in the Parts Information section. See this bulletin for further detail.