See also:

DAY/NIGHT INSIDE REAR- PARKING BRAKE VIEW MIRROR
Your Hyundai is equipped with a day/ night inside rearview mirror. The "night" position is selected by flipping the tab at the bottom of the mirror toward you. In the "night" ...

Light bulbs
WARNING - Working on the lights Prior to working on the light, firmly apply the parking brake, ensure that the ignition switch is turned to the LOCK position and turn off the lights to avoid sudd ...

Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 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. ...