Ford Focus 2004 Owner's Manual page 144

Roadside Emergencies
4. Make the final connection of the negative (-) cable to an exposed
metal part of the stalled vehicle's engine, away from the battery and the
carburetor/fuel injection system. Do not use fuel lines, engine rocker
covers or the intake manifold as grounding points.
Do not connect the end of the second cable to the negative (-)
terminal of the battery to be jumped. A spark may cause an
explosion of the gases that surround the battery.
• 2.0L SPI engine
144
2004 Focus (foc)
Owners Guide (post-2002-fmt)
USA English (fus)