The Garmin GAX10860 Suction Mount with speaker will allow you to use your Garmin Zumo in your vehicle. The Garmin Zumo 450 does not include the Auto mount. The Garmin Zumo 550 comes with this mount. If you have a Zumo 450 you will have to purchase a cigarette lighter adapter, part number GAX107473. This part was included with the Zumo 550.
Product Accessories for Garmin Auto Mount w/ Speaker for Zumo Series