Roadside assistance in emergencies

Disconnecting Jump Leads

4steps
~24min
2/5difficulty
Done 0 of 4

To disconnect the jump leads, follow the connection steps in reverse order.

Note: In the illustration, the vehicle at the bottom is the assisting vehicle with the auxiliary battery.

Déconnexion des câbles volants

  1. Disconnect the jump lead from the metal surface used as the ground connection.
  2. Disconnect the jump lead from the negative (-) terminal of the assisting vehicle's battery.
  3. Disconnect the jump lead from the positive (+) terminal of the assisting vehicle's battery.
  4. Disconnect the jump lead from the positive (+) terminal of the disabled vehicle's battery.

After disconnecting the jump leads, leave the disabled vehicle in Ready to Drive mode for several minutes to recharge the 12 V battery. The disabled vehicle can recharge the 12 V battery even if the gasoline engine is off.

The high-voltage battery then supplies energy to the 12 V battery.

Test yourself

A quick Ford Mondeo quiz: every answer comes with an explanation and a link to the manual page.