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

If any method other than the CRUISE ONOFF 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)
See also:
FUEL ECONOMY INNOVATIONS
To help Hyundai Tucson drivers get the most out of their vehicles, Hyundai
added a standard trip computer and economy indicator. The trip computer provides
distance to empty, average fuel consumpt ...
Side repeater light bulb replacement (if equipped)
If the light bulb is not operating, have the vehicle checked by an authorized
HYUNDAI dealer. ...
Checking the brakes
CAUTION:
Because brakes are essential to the safe
operation of the car, it is suggested that
they be checked and inspected by your
Hyundai dealer. The brakes should be
checked and inspected for w ...


