INTELLIGENT KEY BUTTONS INOPERATIVE
If it appears for ONLY ONE OF the Intelligent Keys that all RKE lock/unlock/panic/trunk button functions of that specific Intelligent Key do not work
The doors will lock and unlock when pressing either front door request switch while using that particular Intelligent Key (see Figure 1 below)
All the other Intelligent Keys for that vehicle function normally
That specific Intelligent Key may have become De-synchronized with the vehicle.