You can create a default schedule for a driver and automatically assign that driver to a specific vehicle for a specific shift. 

To start, click on "More" then "Drivers".

Click on the driver's name.

Under "Shift Schedules", click on "Add shift" and enter your options.

Your available options are:

Day of the Week: Monday to Friday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday

Start Time

Shift Duration: Shift Durations range from 1 hour to 12 hours

Scheduled To:  Select a vehicle or a tour position

Start Date:

End Date: If no end date is entered the shift will continue to replicate until you manually cancel it.

Once your options are set, click on Save Changes.  Add additional shift schedules if necessary.  You can still adjust a driver's shift on an individual day.