Hyundai Sonata: To resume cruising speed at more than approximately 25 mph (40 km/h)

If any method other than the cruise ON/OFF switch was used to cancel cruising speed and the system is still activated, the most recent set speed will automatically resume when the RES+ switch is pushed.
It will not resume, however, if the vehicle speed has dropped below approximately 25 mph (40 km/h).
✽ NOTICE
Always check the road conditions when pressing the RES+ switch to resume the speed.
To cancel cruise control, do one of the following
Press the brake pedal.
Press the clutch pedal with a manual transaxle.
Shift the shift lever into N (Neutral) with an automatic transaxle
Press the CANCEL switch located on the steering w ...
To turn cruise control off, do one of the following
Push the cruise ON/OFF button (the CRUISE indicator light in the instrument
cluster will go off).
Turn the ignition off.
Both of these actions cancel cruise control operation. If you wa ...
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