Originally Posted by
Thedude
Again, the ID card has nothing to do with pre-check.
If you look on the back of the ID it has to do with Sentri and Ready Lane.
As the OP said, TSA had no clue what the ID was.
If you look on the back of the ID it has to do with Sentri and Ready Lane.
This is true. You use this ID card to cross the border (by car or foot) between Mexico or Canada into the USA. You use it instead of a passport.