Final answer:
If the accelerator is faulty and continues to accelerate, lift the pedal, apply the brakes firmly, shift to a lower gear or neutral, use hazard lights, and pull over safely. Then, turn off the ignition and call for professional help.
Step-by-step explanation:
If your accelerator is faulty and continues to accelerate the vehicle unexpectedly, you should take immediate action to ensure your safety and the safety of others. First, try to lift the accelerator pedal with your foot to see if it will disengage. If this does not work, you should then quickly switch your attention to safely decelerating the vehicle.
Begin to apply the brakes firmly and steadily. Do not pump the brakes if your vehicle has an anti-lock braking system (ABS). Shift your car into a lower gear or neutral to reduce speed. While doing this, keep your eyes on the road and hand on the steering wheel to maintain control. Remember to turn on your hazard lights to alert other drivers. Once the vehicle has slowed down sufficiently, or if it is safe to do so, pull over to the side of the road and turn off the ignition.
Lastly, calling for assistance from a professional mechanic or towing service is crucial. Do not attempt to drive the car again until it has been examined and repaired by a certified technician, as it could be a matter of life and safety.