In the engine compartment diagram, we see a coolant reservoir for a «motor generator unit,» which confirms the available mild hybrid system. (automobilemag.com)
A belt - driven motor generator, 48 - volt lithium - ion battery and brake energy regeneration make up the hybrid unit. (cnet.com)
That extra power to drive the rear wheels is produced by a water - cooled 200 horsepower 650 - volt electric motor generator. (hybridcars.com)