I just bought a new 07 Escalade a couple of weeks ago. I often use the flash to pass on all the vehicles that I have owned. I was trying to use it the other day and it didn't seem to be working. I took it into the dealer and the dealer claims that it only works while the headlights are on. This seems not only stupid but also dangerous. I checked other escalades and they are all the same. I checked several other models of Cadillacs and they work as expected - even when the lights are off you can flash. I got home and read in my manual on page 198 and it clearly says that the flash to pass feature should work at all times, even when the lights are in auto position. I don't believe that any other cars on the road work like this. Why would they do this on the Escalade only.