Ford Focus Owners Manual: Wheels and tyres

Battery connection points

CAUTION: Do not connect to the negative (–) terminal of the flat battery. ...

General information

CAUTIONS: Use only approved wheel and tyre sizes. Using other sizes could damage the vehicle and will make the National Type Approval invalid. If you change the diameter of the tyres from th ...

More about Ford Focus:

Ford Focus Technical specifications
Vehicle fluids 1 Providing it meets the specification defined by WSS-M2C913-C, you can also use Ford Engine Oil or an alternative engine oil. 2 On vehicles with a 2.5L Duratec-RS engine, use only this oil. Topping up the oil: If you are unable to find an oil that meets the specification ...