Reference

See also:

Ford Sierra Service Manual
...

Idle speed and mixture adjustment (Every 6000 miles or 6 months)
Caution: Certain adjustment points in the fuel system are protected by “tamperproof” caps, plugs or seals. In some EEC countries (though not yet in the UK) it is an offence to drive a vehicle wit ...

Exterior lamp bulbs - renewal
Note: The glass envelopes of the headlamp, auxiliary driving lamp and front foglamp bulbs must not be touched with the fingers. If the glass is accidentally touched, it should be washed with methy ...