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294 Vehicle care ● A discharged vehicle battery can already freeze at a temperature of 0 °C. Defrost the frozen battery before connecting jump leads. ● Wear eye protection and protective clothing when handling a battery. ● Use a booster battery with the same voltage (12 Volts). Its capacity (Ah) must not be much less than that of the discharged vehicle battery. ● Use jump leads with insulated terminals and a cross section of at least 16 mm 2 (25 mm 2 for diesel engines). ● Do not disconnect the discharged vehicle battery from the vehicle. ● Switch off all unnecessary electrical consumers. ● Do not lean over the vehicle battery during jump starting. ● Do not allow the terminals of one lead to touch those of the other lead. ● The vehicles must not come into contact with each other during the jump starting process. ● Apply the parking brake, transmission in neutral, automatic transmission in P. Open the positive terminal protection caps of both vehicle batteries. 1. Connect the red lead to the positive terminal of the booster battery. 2. Connect the other end of the red lead to the positive terminal of the discharged battery. 3. Connect the black lead to the negative terminal of the booster battery. 4. Connect the other end of the black lead to a vehicle grounding point of your vehicle in the engine compartment. Route the leads so that they cannot catch on rotating parts in the engine compartment. 1. Start the engine of the vehicle providing the jump. 2. After five minutes, start the other engine. Start attempts should be made for no longer than 15 seconds at an interval of one minute. 3. Allow both engines to idle for approx. three minutes with the leads connected. 4. Switch on electrical consumers (e.g. headlights, heated rear window) of the vehicle receiving the jump start. 5. Reverse above sequence exactly when removing leads. |