| System Block Diagram |

| Component part | Function |
| Vehicle-speed sensor | Converts vehicle speed to pulse. |
| ECM | Receives signals from sensor and control switches. |
| Cruise control indicator | Illuminate when CRUISE main switch is ON (Built into cluster) |
| Cruise Control switches | ON/OFF switch | Switch for automatic speed control power supply. |
| Resume/Accel switch | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) |
| Set/Coast switch | |
| Cancel switches | Cancel switch | Sends cancel signals to ECM. |
| Brake-pedal switch | |
| Transaxle range switch (A/T) | |
| ETS motor | Regulates the throttle valve to the set opening by ECM. |
Description and OperationHyundai Tucson (LM) 2010-2015 Service Manual: Inhibitor Switch Description and Operation
Description
Inhibiter Switch contains two contact points. One of these
points connects the engine startup when the lever is in the N or P
position and turns on the reverse lights. The other contact point
monitors the lever's position (PRND) and is used to control gear setting
signals. ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Headlight welcome function
When the headlight switch is in the ON position or in the AUTO position and all
doors (and tailgate) are closed and locked, if you press the door unlock button
on the remote transmitter or smart key, the headlights will come on for about 15
seconds.
If the headlight switch is in the AUTO posi ...