In a hyundai elantra what does esc stand for?

The Hyundai Elantra offers Electronic Stability Control, that's what the ESC stands for in reference to the car.

ESC is a complex safety system that uses sensors at each wheel, combined with the entire steering system to measure where the car is going compared to where you are trying to point the car.

If a large enough discrepancy is detected the system can slow the speed of the wheels it needs to in order to correctly steer the car in the direction you intended, to aid in keeping you on course.

In Mid May federal regulators made a proposal which would require all large commercial trucks, buses, and motor coaches to have ESC systems installed, suggesting that this could prevent over half the "rollover" crashes that are recorded with these vehicles every year.