Rover+Runner
New member
I've got a stock 2006 Toyota Nav unit and no mods associated with the electrical system other than an external aftermarket Sirius radio going through the factory AUX input. This morning on the way downtown the navigation voice sounded like it was underwater (garbled). The radio sounded fine and the bluetooth phone connection was fine. Does anyone have any idea what could be messing up the voice-guided navigation? Is the DVD? Later on in the day it worked fine so I'm hesitant to run to the dealer. Thanks.