Nissan offers 2G Leaf owners a $199 3G upgrade, with just 24 days left

2015 Nissan LeafSince it was launched in December 2010, the Nissan Leaf electric car has been offered with a telematics system that relies on a cellular connection. NissanConnectEV, previously known as Carwings, lets owners monitor functions like climate control and charging remotely, and find nearby charging stations. When the system launched, it was based on a...