If you want to speed up temporarily when the cruise control is on, depress the accelerator pedal. Increased speed will not interfere with cruise control operation or change the set speed.
To return to the set speed, take your foot off the accelerator pedal.
Kia Cee'd JD Service Manual: Emergency Call (eCall) Unit Components and components location
Component
The eCall unit for AVN is equipped in AVN head unit.
...
Kia Cee'd JD Owners Manual: Speed limiter indicator
The indicator illuminates when the speed
limit control system is enabled by move
the lever up on the steering
wheel.
The indicator goes off when the
lever
up again to deactivate the system.
If there is a problem with the speed limit
control system, the “---” indicator will blin ...