Kia 2015 Rio Owner's Manual page 274

Driving your vehicle
2. Accelerate to the desired speed,
which must be more than 25 mph
(40 km/h).
5 36
■ Type A
■ Type B
3. Move the lever (1) down (to SET-),
and release it at the desired
speed. The SET indicator light in
the instrument cluster will illuminate.
Release the accelerator at the
same time. The desired speed will
automatically be maintained.
On a steep grade, the vehicle may
slow down or speed up slightly while
going downhill.
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