Garmin StreetPilot c340 GPS Receiver "car power outlet doesnt work" Questions

...power source today (diff. car) and the initial Garmin screen came on for about 2 or 3 seconds. All I know is that the power sources are good. Where is the reset button located? Where is the fuse ...

...power button, the screen comes on, then turns it's self off...help :) Sounds like a battery issue in the unit. Are you still under warranty? Also, test the lighter plug for continuity. Vehicles can ...