One of the problems with professional navigation system is the settings so make sure your setting are correct. Like for instance if the navigation is checked for ECO-PRO-Mode then it will take you through the most efficient route (No hills, proper speed limt etc). Another item that should be checked off is the Dynamic Route. If this is checked then it will change the route due to traffic or road conditions so your entire route could be off and you may be going around in circles. Just my observations. Thanks
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