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 Tire Pressure Monitoring System (TPMS) Sensor Activation
Special Tool(s) Activation Tool, Tire Pressure Monitor 204-363, or Customer Activation Tool, Tire Pressure Monitor NOTE: The tire pressure sensors will go into a "sleep mode" when a vehicle is stationary to conserve battery power. The sensors do not trans ...