Here is the owners manual for my car: http://www.fordservicecontent.com/Ford_Content/Catalog/owner_information/2017-Fusion-Hybrid-Owner-Manual-version-3_OM_EN-U

Here is the owners manual for my car: http://www.fordservicecontent.com/Ford_Content/Catalog/owner_information/2017-Fusion-Hybrid-Owner-Manual-version-3_OM_EN-US_02_2017.pdf http://www.fordservicecontent.com/Ford_Content/Catalog/owner... On page 259, under the heading "Fail-Safe Cooling". If the engine reaches a preset over-temperature condition, the engine automatically switches to alternating cylinder operation. Each disabled cylinder acts as an air pump and cools the engine. When this occurs, your vehicle still operates, however: • Engine power is limited. • The air conditioning system turns off. Continued operation increases the engine temperature, causing the engine to completely shut down. Your steering and braking effort increases in this situation.