The padlock icon is missing from the map when routes are locked on the computer.

[Parantapa]

When you open a locked route on the computer, the padlock icon is not initially visible on the map. You must first click ‘Unlock’ in the route details; only then does the icon appear on the map. However, the route is still locked at this stage and you must click the padlock icon again before the route is unlocked. This is the case with Firefox.
With Microsoft Edge, the icon appears once you have unlocked the route.
The padlock icon is missing initially in both browsers.

[Parantapa]

On a tablet, in Google Chrome and Firefox, the padlock icon disappears when you lock the route in the details view. If you lock the route using the icon on the map, it does not change in the details view.