2005 X5 3.0i Sports

Rear driver's side door handle issue: I can only open from the inside, not outside. I have window privacy shade and my mechanic doesn't want to try removing the panel as he's not familiar with this car. Before I take it to the dealer, can anyone recommend any other option? Just in case, I am in chicago area.

As one person mentioned, nope it's not the child lock.

Thank you.