MyCarTracks with Business plan offers the ability to turn on Google Maps and services that Google Maps offers (geolocation, routing, …). To be able to use Google Maps you need to enable Google Maps Platform on your own Google account and then use your API Key to activate it in MyCarTracks. You will be asked to enter your credit card details but Google offers everyone free 200$ monthly credit which in most cases is enough for standard use and if you fear that you will exceed this limit you can set maximum limits.
Learn here how to activate your Google Maps platform and activate MyCarTracks Google Maps.