Hyundai Elantra MD/UD: Applying the parking brake
To engage the parking brake, first apply the foot brake and then pull up the parking brake lever as far as possible without pressing the release button.
In addition it is recommended that when parking the vehicle on an incline, the shift lever should be in the appropriate low gear on manual transaxle vehicles or in the P (Park) position on automatic transaxle vehicles.
CAUTION
Driving with the parking brake applied will cause excessive brake pad and brake rotor wear.
Do not operate the parking brake while the vehicle is moving except in an emergency situation. It could damage the vehicle system and make endanger driving safety.