To access the Electronic Logbook module, you must tap on the corresponding option in the Main menu:
If this is the first time you access the module, you will see a popup where you can confirm your Driver Information:
As soon as you confirm your information, you may start using the module.
You can tap on any of the available statuses to start logging your activity. For instance, to start a Driving activity:
The counter at the top of the module displays for how long you've been on this activity.
If you change your activity, the top panel will be updated with the new status. You will still be able to see the current total time of the other activities right below them: