You may have to adjust the volume on your Garmin GPS depending on the noise on the road. Adjust the volume on a Garmin GPS with help from The GPS Wizard in this free video clip.
Expert: GPS Wizard
Bio: The GPS Wizard helps you navigate your favorite global positioning device.
Filmmaker: GPS Wizard
Series Description: You can use a global positioning system in a wide variety of different ways to match your individual needs. Get tips on how to get the most from your GPS with help from The GPS Wizard in this free video series.