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Garmin eLog Support for Multiple Drivers
There is no limit to the number of driver profiles that can be created in the eLog App, however, only a maximum of two drivers may be simultaneously logged in.
If you are driving in a team, you can create a profile for yourself and another for your co-driver, and switch between active drivers at any time. See Team Driving With a Garmin eLog Compliant ELD for more information.
While the vehicle is in motion, the driver will not be able to operate the eLog App. The co-driver, however, can use the app to check hours of service, change status, or perform any other app functions as needed.
See Using the Garmin eLog ELD with a Different Device for more information on using different devices with the Garmin eLog ELD.