The most common cause of a stuck accelerator is the Mat or carpet blocking during driving the car.
Explanation:
The struck in accelerator could be caused by many reasons and its not definite reason. the reason of struck in accelerator could be Mat or poorly placed carpet of car or it could frost or freeze due to accumulation of water.
A common misconception of acceleration means you could brake the vehicle either which could cause a serious accident and can also cost human life.
If your vehicle accelerator got struck then you could apply a few steps such as:
Shift your vehicle gear into neutral
Apply breaks firmly
Keep your eyes on the road
Keep alert the other drivers by putting blinker near your vehicle.
Could be a few reasons but the most common is a mat or carpet blocking the travel of the pedal or a frayed cable either at the pedal end or the throttle body on the engine.