What are the general rules for using red and blue lights and sirens on an EMS vehicle, and when should you deactivate them?

• A. Use lights and sirens during active calls or when responding with priority; deactivate on scene and not actively en route, and comply with local laws and agency protocols.
• B. Always on regardless of situation.
• C. Never use lights.
• D. Use only red lights.

Answer: (A)