Vehicle Battery; Using Booster Cables; Changing The Vehicle Battery - Ford Focus Owner's Handbook Manual

USING BOOSTER CABLES

CAUTIONS
Connect batteries with only the same
nominal voltage.
Always use booster cables with
insulated clamps and adequate size
cable.
Do not disconnect the battery from
the vehicle's electrical system.
To connect the booster cables
A
C
E102925
A Flat battery vehicle
B Booster battery vehicle
C Positive connection cable
D Negative connection cable

Vehicle battery

D
B
212
1. Position the vehicles so that they do
not touch one another.
2. Switch off the engine and any
electrical equipment.
3. Connect the positive (+) terminal of
vehicle B with the positive (+) terminal
of vehicle A (cable C).
4. Connect the negative (-) terminal of
vehicle B to the ground connection of
vehicle A (cable D). See Battery
connection points (page 213).
CAUTIONS
Do not connect to the negative
(–) terminal of the flat battery.
Make sure that the cables are clear
of any moving parts.
To start the engine
1. Run the engine of vehicle B at
moderately high speed.
2. Start the engine of vehicle A.
3. Run both vehicles for a minimum of
three minutes before disconnecting
the cables.
CAUTION
Do not switch on the headlamps
when disconnecting the cables. The
peak voltage could blow the bulbs.
Disconnect the cables in the reverse
order.
CHANGING THE VEHICLE
BATTERY
CAUTION
For vehicles with Start-stop the
battery requirement is different. It
must be replaced by one of exactly
the same specification as the original.