Which Battery Does Ford C-Max Key Fob Use? The Ford C-Max key fob uses the CR2032 battery like most other car models. The CR2032 battery is a lithium-oxide battery that is coin or button-shaped. It has a diameter of 20mm and a thickness of 3.2 mm. It has a voltage of 3.0 volts.
Lastly, the battery’s size and shape should match those of your Ford C Max battery compartment. Selecting the Right Battery Type. The Ford C Max has two battery options: the traditional lead-acid battery or the newer, eco-friendly lithium-ion battery. While both are good choices, there are some differences you should consider.
To expand on cr08's questions about the 12v battery status, I'd point out a few things. When a dealer [not just Ford but all major brands], is authorized to sell a model, they are required by guidelines to have on hand a certain amount of regular parts for upkeep of that model [filters, brake pads, batteries etc.] & the manuals & tools required.4fCifv.