I have recently bought a 06 tl. i love everything about the car except that evertime i turn the car i have to enter to code on the touch screen to use nav/radio/ect. How do i make it where i dont have to put the damn code in all the time it get so annoying lol

 

the battery should keep radio pre-sets and navigation codes.
check to make sure battery terminals are on tight, with no corrosion.

 

aka get a new battery