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  1. To jump-start a car with a dead battery, follow these steps:
    1. Position the booster vehicle: Park a vehicle with a full battery close to the car with the discharged battery.
    2. Locate battery terminals: Raise the hood of the cars to access the batteries.
    3. Connect jumper cables: Clamp one of the red positive (+) jumper cable ends to the dead battery's positive terminal.
    4. Jump-start the car.
    5. Disconnect jumper cables.
    6. Drive the jumped car12.
    Learn more:

    6 Steps to Jumping a Car With a Dead Battery

    • 1. Position the Booster Vehicle First, park a vehicle with a full battery close to the car with the discharged battery. The vehicles can be beside each other or facing bumper-to-bumper. ...
    www.kbb.com/car-advice/how-to-jump-start-battery/

    Below is the most universally accepted method for jump-starting cars:

    • Choose a good pair of jumper cables or a portable jump starter Keep them in the trunk for easy access. ...
    www.edmunds.com/how-to/jump-start.html
     
  2. Tested: The Best Portable Jump Starters for 2025 - Car and Driver

     
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