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 Engine Emission Control
NOTE: Do not permanently remove or render inoperative any part of the vehicle emission control system including related hardware. Failure to comply may violate applicable state and federal laws. NOTE: The vehicle emission vacuum routing diagrams are contained in the Description and Operation ...