What must you do when you see two red lights flashing outside a fire station?

What must you do when you see two red lights flashing outside a fire station?undefined
Slow down and prepare to stop in case a vehicle exits the fire station
Stop until the lights stop flashing
Slow down to 20km/h, then proceed if it is safe to do so

The alternating flashing double red lights at the fire station indicate that a fire truck is about to depart. All vehicles must immediately stop and wait until the red lights are extinguished before proceeding.