OnContentRefreshListener doesn't show refresh button

I tried both PlaceListMapTemplate and PlaceListNavigationTemplate: when I set OnContentRefreshListener, it doesn't make any effect: refresh button doesn't appear as described in documentation.
Is there any other requirements to make PlaceListMapTemplate show that button? 
I'm using the latest Android Auto app 7.8.622514 and DHU 2.0, tried all lib versions including the latest one 1.3.0-alpha01.