nüvi 310/360/370 Owner’s Manual 7appendIxAvoiding Theft● To avoid theft, remove the nüvi and mount from sight when not in use. Removethe mark on the windshield left by the suction cup.● Use the Garmin Lock™ feature.Changing the FuseAn AGC/3AG 2 Amp, high-breaking capacity, 1500 mA-rated fuse is located at thetip of the vehicle adapter. Periodically, you may need to change the fuse. Unscrew theblack, round end piece and replace the fuse.UnscrewBattery InformationYour nüvi contains an internal (non-removable) lithium-ion battery. Contact your localwaste disposal department for information on properly disposing of the nüvi.Battery Tips● Your nüvi’s battery should last 4 to 8 hours, depending on usage.● To extend the battery life, reduce the time the backlight stays on. On the Menupage, select Settings > Display > Backlight timeout to change the setting.● Close the antenna when you do not need to receive GPS signals.● Do not leave your nüvi in direct sunlight, and avoid prolonged exposure toexcessive heat.