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

Hyundai Tucson (LM) 2010-2015 Owners Manual / Driving your vehicle / Cruise control system / Cruise control operation / 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 immediately. The cruising speed will decrease 1.0 mph (1.6 km/h) each time the lever is operated in this manner.
Lightly tap the brake pedal. When the vehicle attains the desired speed, push the lever (1) down (to SET-).

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 ...

To temporarily accelerate with the cruise control ON

Depress the accelerator pedal.When you take your foot off the accelerator, the vehicle will return to the previously set speed. If you push the lever (1) down (to SET-) at the increased speed, the ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
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Hyundai Tucson (LM) 2010-2015 Owners Manual: Automatic reverse
If a window senses any obstacle while it is closing automatically, it will stop and lower approximately 12 inch (30 cm) to allow the object to be cleared. If the window detects the resistance while the power window switch is pulled up continuously, the window will stop upward movement then ...