Follow the instructions from their manufacturer.
The positive wire is mostly red.
The negative wire is mostly black.
Attention. A discharged battery can freeze even at a temperature of a few degrees below zero. If the battery is frozen, do not start the engine with the battery outside the vehicle - risk of explosion! Also, after defrosting the battery, there is a risk of burns from escaping acid. A frozen battery must be replaced.
Note
- There must be no mutual contact between the two vehicles, otherwise current may flow when the positive terminals are connected.
- The discharged battery must be properly connected to the electrical system of the vehicle.
- Switch off the car phone or follow the instructions for using the car phone in this case.