FORD 2002 Focus v.2 - Manual (Page 231)

Roadside Emergencies
231
3. Park the booster vehicle close to
the hood of your disabled vehicle,
making sure the two vehicles do
not touch. Set the parking brake on
both vehicles and stay clear of the
engine cooling fan and other
moving parts.
4. Check all battery terminals and
remove any excessive corrosion
before you attach the battery
cables. Ensure that vent caps are
tight and level.
5. Turn all accessories off.
Connecting the jumper cables
1. Connect the positive (+) booster
cable to the positive (+) terminal of
the discharged battery.
Note: In the illustrations, lightning
bolts are used to designate the
assisting (boosting) battery.