Yes it is. You need to make sure your phone is set up correctly:
- click on the blue i in a circle next to your mini device (should be shown as MINIxxxx)
- make sure show notifications is active
Also in the main settings menu on your phone
- make sure everything is active
When I am not in the car I get a tone for new messages and emails. When I am in the car and the phone is connected in the armrest adapter the tone stops and the phone only vibrates. Since I don't always use the armrest I also keep bluetooth enabled. I figured this is from having both bluetooth and the armrest configured but honestly I like not having the tone, when I'm in the car I either have the radio blasting or the window down listening to the engine noise. The tone would just be annoying for me.