This battery is commonly used in Volkswagen, VW, Suzuki, Subaru, Toyota, Proton, Range Rover, Nissan, Honda, Mercedes Benz, 

Mazda, Land Rover, Jaguar, Fiat, Daihatsu, Daewoo, Chevrolet, BMW, Rover, MG, Renault, Peugeot, Vauxhall, Citroen, and Ford.

This battery does not fit every single key from each manufacturer, you MUST check!