Hyundai Tucson: Cruise control operation / To increase cruise control speed

Hyundai Tucson (LM) 2010-2015 Owners Manual / Driving your vehicle / Cruise control system / Cruise control operation / To increase cruise control speed

Push the lever (1) up (to RES+) and hold it, while monitoring the SET speed on the instrument cluster. Release the lever when the desired speed is shown and the vehicle will accelerate to that speed.
Push the lever (1) up (to RES+) and release it immediately. The cruising speed will increase 1.0 mph (1.6 km/h) each time the lever is operated in this manner.
Depress the accelerator pedal. When the vehicle attains the desired speed, push the lever (1) down (to SET-).

To set cruise control speed

1.Push the cruise ON/OFF button on the steering wheel to turn the system on. The CRUISE indicator will illuminate. 2.Accelerate to the desired speed, which must be more than 25 mph (40 km/h). ...

To decrease cruise control speed

Push the lever (1) down (to SET-) and hold it. Your vehicle will gradually slow down. Release the lever at the speed you want to maintain. Push the lever (1) down (to SET-) and release it ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Erasing HomeLink® buttons
Individual buttons cannot be erased. However, to erase all three programmed buttons: 1. Press and hold the two outer HomeLink® buttons until the indicator light begins to flash-after 20 seconds. 2. Release both buttons. Do not hold for longer than 30 seconds. The Integrated HomeLink® Wireless ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. Cover the forward facing sensor. 3. Head a light to the rearward looking sensor. 4. The ECM should be darkened as soon as the rearward looking se ...