IMA (Integrated Motor Assist)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
The conditions for auto idle stop are expanded, regenerative braking during deceleration is increased, and power to the IPU (intelligent power unit) fan is increased (see AUTO IDLE STOP SYSTEM ).