Originally Posted by 07CamHybrid

Try this: Drive your hybrid until the ICE is fully warmed up. (10+ minutes). Then drive your car around in town on flat roads at 25-35mph. (where there won't be much of a demand on the engine) If after another 10-15 minutes, your car still isn't operating in electric only mode... then you might want to take it to the dealer to be checked out.