To decrease the cruising speed
Follow either of these procedures:
o Push the -/SET switch and hold it. Your vehicle will gradually slow down. Release the switch at the speed you want to maintain.
o Push the -/SET switch and release it immediately. The cruising speed will decrease by 1 mph (1.6 km/h) each time the -/SET switch is operated in this manner.
See also:
2012 Hyundai Elantra Review By Anthony Crawford
I’ve just driven a 42km loop in the base model Elantra Active with a
six-speed manual shifter and I can tell you unequivocally that the all-new
Elantra is a huge step up from the previous model.
...
SPEEDOMETER
Your Hyundai's speedometer is calibrated in miles per hour (on the outer scale)
and kilometers per hour (on the inner scale). ...
3. Exhaust emission control system
The Exhaust Emission Control System is a highly effective system which controls
exhaust emissions while maintaining good vehicle performance.
Vehicle modifications
This vehicle should not be modif ...