Slow down and go to the road shoulder if possible.
Switch on the hazard lights.
Open the trunk and hood to alert other drivers.
Stay at the downstream of the vehicle, and behind the vehicle impact guardrail (VIG) if possible.
Do not allow passengers to remain in or around the vehicle.
Call the Tow Truck to bring it to the nearest service center to fix your vehicle issue.
Do not attempt to repair your vehicle on the expressway.