According to the service manager @ the dealership, the restraint system (airbags and seatbelt pretensioners) are lumped into one diagnostic sensor. When you start the vehicle, it runs through its self check. When there is a problem with a component in the safety system, that one indicator light flashes. In the manager's words this morning, "There are a bunch of things that are hooked up to that sensor, but don't worry, we'll find it!" I felt like saying, "On the second try, eh?" He asked what I was doing when the light came on again. I told him I was turning left. He came back with, "From now on, only turn right." Yea...