Tomtom One - Recent Questions, Troubleshooting & Support - Page 9
Tomtomcom getstarted
There should be a slide button or switch somewhere on the rear of the screen if it doesn't light up the screen may need to be recharged.
Free map download
Go on I'net. Garmin Free Lifetime Traffic and Maps Upgrade. Register the unit (No matter if it's a gift or your purchase. Register 1st. Follow all instructions for same. The s/n is on bottom of the unit usually. P.S., you have to use a magnifying glass usually to read it. Same information is on the Units box that unit came in. Sometimes you just have to be persistent to register it and get then get quarterly upgrades. Garmin does not make it easy. If the unit comes with free Maps and traffic, Do NOT Buy the $100 upgrade for same. Most new units comes with them.
Turns on by itself
That seems to be a problem with the Tomtom One, usually when the battery is low
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