Press once briefly to disable traction control. Press again briefly to enter comp mode. If that doesn't work, one of three things could be happening:
TPS system flakey, preventing comp mode from engaging. Flip the smart gauge over to the tires and see what you can see.
The guy that had the car before you had the nav system replaced, and it wasn't properly programmed at the dealer to let it know that it's in a V. On the nav, try pressing Main and Setup. See if you can customize the system features. If you can't, take it back to the dealer and have them use a Tech 2 to program the nav.