2002 Hyundai Sonata Hi Car Alarm System While Driving On Turns Off By Self Park

HI MY CAR ALARM SYSTEM WHILE DRIVING THE CAR GOES ON THEN IT TURNS OFF BY ITS SELF THEN WHEN I PARK THE CAR THAT IM GOING TO USE IT AGAIN AND I HIT THE OPEN BUTTOM IT JUST STARTS TO TURN ON BUT THE I HAVE TO PUSH THE CLOSE BUTTOM FROM THE CONTROL THEN IT WILL LET ME TURN IT ON CAN U PLEASE ME