once login zoom the map until drivetime is enabled for checking the checkbox. see the picture then check the checkbox and lick on map anywhere that will display the drivetime at the place where u clicked on -- 2

once login zoom the map until drivetime is enabled for checking the checkbox. see the picture then check the checkbox and lick on map anywhere that will display the drivetime at the place where u clicked on the map..rest of the issue of zoom in and zoom out is explained in the document I gave