How to jump start a automatic car — the essentials

Automatic cars cannot be bump-started like manuals, so you must use either a donor vehicle or a reliable jump starter. The correct sequence matters:
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Ensure the automatic transmission is in Park (P) and the parking brake is set.
Turn off every electrical accessory — lights, heater, radio.
Connect positive clamp to positive terminal, then negative clamp to chassis ground.
Allow the jump starter a few seconds to supply current.
Attempt to start the engine; if it doesn't turn over after one or two attempts, wait 30–60 seconds and try again.
When the engine starts, let it run for 15–20 minutes or drive the vehicle so the alternator can recharge the battery.
Following these steps reduces risk to sensitive electronics and improves your odds of a successful start. If you're unfamiliar with any step, err on the side of caution and call a professional.