that's bad. but sometimes even after applying hand break some cars move a lil bit then stop. but if you say it's not at all working then get it checked asap.
same here , i too have to use it for 4-5 years. i have noticed the sensors beep even if there's a cloth hanging.
and did you see if you had a small speed breaker or anything ? because even if there's something lying low , the sensors beep.
the state of elantra will be the same as verna. when it'll launch , a huge hype then it'll become over hyped car and then another nickandre , ****azooka , allhyundaicars will report about elantra problems.