1. Open the driver's door of Mondeo.
2. Pull down the hood switch on the left side of Mondeo winning driver's leg.
3. Open Mondeo's winning hood.
4. Support Mondeo winning engine hood with support rods to ensure firm support and avoid danger during operation.
5. The negative electrode of Mondeo battery is located in the engine compartment, on the left side of the engine. Red is the positive electrode of the battery and black is the negative electrode of the battery.