The date on which this new warranty coverage becomes effective for Model Year 2011 and 2012 Nissan LEAF vehicles will be announced in the future, effective upon a date to be announced but which is anticipated to be in the Spring of 2013, to allow for proper implementation by Nissan and its network of certified LEAF dealers.

ENGADGET: Nissan upgrades US Leaf warranties, will 'restore' batteries that lose too much charge

Importantly, Nissan will provide this expanded coverage to all model year 2011 and 2012 Nissan LEAFs sold and distributed by Nissan in the United States to date, effective upon a date to be announced but which is anticipated to be in the Spring of 2013.

ENGADGET: Nissan upgrades US Leaf warranties, will 'restore' batteries that lose too much charge