If the driver’s door is opened while the ignition key is left in the ignition switch (ACC or LOCK position), the key reminder warning chime will sound. This is to prevent you from locking your keys in the vehicle. The chime sounds until the key is removed from the ignition switch or the driver’s door is closed.
KEY OUT indicator (if equipped)
Steering wheelHyundai Tucson (LM) 2010-2015 Service Manual: Canister Close Valve (CCV) Schematic Diagrams
Circuit Diagram
(M/T)
(A/T)
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Panoramaroof Switch Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the overhead console lamp assembly.
(Refer to the BD group - "Roof trim")
3.
Check for continuity between the terminals. If the continuity is not as specified, replace the sunroof switch. ...