Maintain your cooling system properly. Photo: Ram Trucks. More information https://telegra.ph/Cruising-Smoothly-Cars-Equipped-with-Continuously-Variable-Transmissions-CVTs-05-31 2 Purpose of the Blog Post. Depending on what you want the vehicle for, buying a car with a blown engine from a junkyard may be a great idea. May 22, 2013 at 18:07. Nissan Leaf Plus battery Photo by Nissan An EV’s traction battery – the big one that powers the electric motors to turn the wheels – generally prefers to be somewhere between about 15 to 25 degrees Celsius. At lower ambient temperatures, the battery won’t provide as much power, and the vehicle’s range can drop as much as 20 per cent when temperatures outside are below freezing. If the battery gets too hot, it will initially lose some of its power. If its internal temperature continues to rise, it can potentially degrade, suffer partial damage, or experience complete failure, including catching fire. BAD RADIATOR.