- The C-Caution Indicate a hazardous situation which, if not avoided, could result in minor or moderate injury.
- The safety alert symbol may be used to alert against unsafe practices that can result in property damage only.
- The C-Caution is place to direct oncoming traffic away from the breakdown vehicle.
- It should be placed 10 feet directly behind the side of the vehicle closest to the road.
- It is suitable for vehicles.