What gear should an automatic car use when waiting at a traffic light?

[DiPreston]

Automatic cars use different gears when waiting at a traffic light depending on the situation: 1. For short waits at a red light, you can simply press the foot brake; 2. For longer waits, shift to N gear and engage the handbrake. Automatic transmissions do not require the driver to manually shift gears; the vehicle automatically selects the appropriate gear based on driving speed and traffic conditions. The steps to start an automatic car are: 1. Turn the ignition key to the power position; 2. Press the foot brake and shift the gear from P to N; 3. Release the foot brake to start the engine; 4. Warm up the car while stationary; 5. Press the foot brake, shift the gear from N to D, and release the handbrake; 6. Gradually release the foot brake and smoothly press the accelerator to start moving.