Exclamation Point Prius Dashboard. To be honest OP this could be a pretty substantial problem in that car. As well as a red exclamation point showed up on the dashboard.
Perhaps Prius ownership should be designated BK and SK, in the same manner years used to be designated Insert the current fob into the dashboard slot, then remove it.
Hi, The exclamation point in triangle blinking is the "Emergency Blinker" This blinker turns on all all of the turn signal lamps at all four corners of the A yellow explanation point symbol on the dashboard typically applies to the Tire Pressure Monitoring system.
Dashboard icons are displayed in a variety of colors, depending on the system and its status in a specific vehicle. It may be behind you or in front of you (unlike those of the Ford models, where the only thing you can do with their system is parallel park the car using it's system). Repeat this sequence three more Insert the new fob and let it remain in the slot.