Garmin nuvi 2557LMT Owner's Manual - Page 18

NOTICE Never use a hard or sharp object to operate the touchscreen, or damage may result. Cleaning the Outer Casing NOTICE Avoid chemical cleaners and solvents that can damage plastic components. 1 Clean the outer casing of the device (not the touchscreen) using a cloth dampened with a mild detergent solution. 2 Wipe the device dry. Cleaning the Touchscreen 1 Use a soft, clean, lint-free cloth. 2 If necessary, apply liquid to the cloth. You can use water, isopropyl alcohol, or eyeglass lens cleaner. 3 Gently wipe the screen with the cloth. Avoiding Theft • Remove the device and mount from sight when not in use. • Remove the residue left on the windshield by the suction cup. • Do not keep your unit in the glove compartment. • Register your device at http: / / my .garmin .com. Mounting on Your Dashboard NOTICE The permanent mounting adhesive is extremely difficult to remove after it is installed. Use the mounting disk to mount your device to the dashboard and comply with certain state regulations. See www.garmin.com for more information. 1 Clean and dry the dashboard where you are placing the disk. 2 Remove the backing from the adhesive on the bottom of the disk. 3 Place the disk on the dashboard. 4 Remove the clear plastic cover from the top of the disk. 5 Place the suction cup mount on top of the disk. 6 Flip the lever down (toward the disk). Removing the Device, Mount, and Suction Cup Removing the Device from the Mount 1 Press the release tab or button on the mount. 2 Tilt the device forward. Removing the Mount from the Suction Cup 1 Turn the device mount to the right or left. 2 Apply pressure until the socket on the mount releases the ball on the suction cup. Removing the Suction Cup from the Windshield 1 Flip the lever on the suction cup toward you. 2 Pull the tab on the suction cup toward you. Purchasing Additional Maps 1 Go to your device product page on the Garmin web site (http: / / www .garmin .com). 2 Click the Maps tab. 3 Follow the on-screen instructions. Purchasing Accessories Go to http: / / buy .garmin .com. Troubleshooting The suction cup will not stay on my windshield 1 Clean the suction cup and windshield with rubbing alcohol. 2 Dry with a clean, dry cloth. 3 Mount the suction cup (page 1). My device is not acquiring satellite signals • Verify the GPS simulator is turned off (page 12). • Take your device out of parking garages and away from tall buildings and trees. • Remain stationary for several minutes. The device does not charge in my vehicle • Check the fuse in the vehicle power cable (page 13). • Verify the vehicle is turned on and is supplying power to the power outlet. • Verify the interior temperature of the vehicle is between 32° and 113°F (between 0° and 45°C). • Verify that the fuse is not broken in the vehicle power outlet. My battery does not stay charged for very long • Decrease the screen brightness (page 12). • Shorten the display timeout (page 12). • Decrease the volume (page 1). • Disable Bluetooth wireless technology (page 13). • Put the device in sleep mode when not in use (page 1). • Keep your device away from extreme temperatures. • Do not leave your device in direct sunlight. The battery gauge does not seem accurate 1 Allow the device to fully discharge. 2 Fully charge the device without interrupting the charge cycle. My device does not appear as a removable drive on my computer On most Windows computers, the device connects using Media Transfer Protocol (MTP). In MTP mode, the device appears as a portable device and not as a removable drive. MTP mode is supported by Windows 7, Windows Vista®, and Windows XP Service Pack 3 with Windows Media Player 10. My device does not appear as a portable device on my computer On Mac computers and some Windows computers, the device connects using USB mass storage mode. In USB mass storage mode, the device appears as a removable drive or volume, and not as a portable device. Windows versions prior to Windows XP Service Pack 3 use USB mass storage mode. My device does not appear as either a portable device or a removable drive or volume on my computer 1 Disconnect the USB cable from your computer. 2 Turn off the device. 14 Troubleshooting