Road Tech ™ zūmo 665 Owner’s ManualAppendixAppendixresetting the roadTech™ zūmoIf the zūmo stops functioning, turn offthe zūmo, and turn it back on.If this does not help, press and holdfor 8 seconds. Turn on the zūmo again.The zūmo should operate normally.Calibrating the ScreenIf the touchscreen is not respondingproperly, calibrate the touchscreen.1. Touch Tools > Settings > Display.2. Under Touchscreen, touchCalibrate.3. Follow the on‑screen instructions.Locking Your UnitGarmin Lock is a theft-deterrentsystem that locks your zūmo. Eachtime you turn on the zūmo, enter thePIN or drive to the security location.1. Touch Tools > Settings >Security.2. Touch the button below GarminLock.3. Enter a 4‑digit PIN, and drive to asecurity location.What is a SecurityLocation?Select a location you return to often,such as your home, for your securitylocation. If the zūmo has satellitesignals and you are at the securitylocation, you do not need to enter thePIN.NoTe: If you forget your PIN andyour security location, you mustsend your zūmo to Garmin to getit unlocked. You must also send avalid product registration or proof ofpurchase.nüMaps guarantee™To receive one free map update (ifavailable), register your zūmo athttp://my.garmin.com within 60 daysof acquiring satellites while drivingwith your zūmo. You are not eligiblefor the free map update if you registerby phone or wait longer than 60days after the first time you acquiresatellites while driving with yourzūmo.