98cruiser

Sup guys, I'm new to the CL group. Love my new 550, but only one key won't allow me to use the push button or keyless entry. I can use the buttons to unlock, lock, truck and turn start though. I installed new batteries but still not "fully" functional. Is it only half way programmed? How do I program it keyless entry & push start?

Thanks for everyone's help

Plutoe

Sounds like you don't have a key issue, but the fault is in the keyless go system--visit a shop with factory or equal diagnostic equipment!!

98cruiser

Thanks Pluto, but my other key "is" fully functional with keyless entry & push button start. It's the second key only works with the buttons and turn start.