Hyundai Tucson: Warnings and indicators / Key reminder warning chime

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)
When the Engine Start/Stop button is in the ACC or ON position, if any door is open, the system checks for the smart key. If the smart key is not in the vehicle, the indicator will blink, and if ...

Steering wheel
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Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Battery
Jump starting can be dangerous if done incorrectly. Follow the jump starting procedure in this section to avoid serious injury or damage to your vehicle. If in doubt about how to properly jump start your vehicle, we strongly recommend that you have a service technician or towing service do it ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Back-up Lamp Switch Repair procedures
Inspection 1. Disconnect the back up lamp switch connector (A). 2. Check the continuity between no. 1 and 2 terminals of backup lamp switch. When the shift lever is in reverse, there should be continuity. 3. If necessary, repair or replace the backup lamp switch. Replacement 1. ...

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