Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way.
See also:
Room lamp
To turn the room lamp ON or OFF, push the switch or lens.
CAUTION
Do not leave the lamp switches on for an extended period of time when the
vehicle is not running. ...
Fuel lines, fuel hoses and connections
Check the fuel lines, fuel hoses and connections for leakage and damage. Have
an authorized HYUNDAI dealer replace any damaged or leaking parts immediately. ...
HORN
Press the pad on the steering wheel to sound the horn.
AUDIO REMOTE CONTROL SWITCH
The steering wheel may incorporate audio control buttons.
NOTE:
Do not operate audio remote control switches ...