When a vehicle is stalled or disabled, the driver must park the vehicle on the shoulder of the road and: When a vehicle is stalled or disabled, the driver must park the vehicle on the shoulder of the road and:

• A. switch on the parking light
• B. install the early warning device
• C. switch on the parking light and install the Early Warning Device to the front and rear of the motor vehicle
•  

  The correct answer is C

   

  This is why you must always carry an EWD (Early Warning Device), so you can warn other road users regarding your stalled or disabled vehicle — protecting yourself and other road users.