Whenever the front door is opened, the Push Button Start ignition switch illuminates and goes off 30 seconds after the door is closed.
WARNING
To turn off the vehicle in an emergency:
Press and hold the Push Button Start ignition switch for more than two seconds. Or rapidly press and release the Push Button Start ignition switch three times (within three seconds).
If the vehicle is still moving, you can restart the vehicle without depressing the brake pedal by pressing the Push Button Start ignition switch with the gear in the N (Neutral) position.
WARNING
Push Button Start Ignition Switch Positions
Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Removal
1.
Remove the liftgate trim in the trunk after removing the screws and clips.
(Refer to the BD group - "Liftgate")
2.
Remove the liftgate garnish (A) after disconnecting the connector and removing the nuts.
3.
Remove the back view camera (A) after loosening the screws (2EA).
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Inhibitor Switch Repair procedures
Inspection
•
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Inspection flow
Items to check
1.
Inspect DTC code.
2.
Inspect whether N setting matches.
A.
Adjust N setting (refer to ...