Those are rear turn signals and are very clearly blinking red. Seen most prominently at the 3:40 mark. Further confirmation of this comes from the fact that they are illuminated solid, along with the third brake lamp, at the 3:35 mark before they begin to flash as hazers. It's a shared red element for rear stop lamps and rear turn signals.
On video is can be difficult to differentiate the colour at an angle.
On video is can be difficult to differentiate the colour at an angle.