An engine block heater is a device that keeps the engine of a vehicle warm during cold weather by heating the metal block where the engine is located. Full definition
Includes engine block heater, heated front seats, heated steering wheel, and remote start system. (dondavisautogroup.com)
The vehicles targeted are fitted with optional engine block heaters and have a flaw with the power steering fluid line that could rupture in extreme cold weather. (autofile.ca)