Get your brakes checked. It can be something simple, or it can mean impending doom.
the switch needs to be adjusted
It should be under the dash on the drivers side.
Chjeck the brake light switch located somewhere on the brake pedal lever.
From: http://www.2carpros.com/makes/hyundai.htm Answer: It sounds as if the brake light switch needs to be adjusted. It is located on the brake pedal leakage up under the dash.
it would be the brake light switch about 20 dollars at autozone
The check engine light, on your Hyundai Elantra can be reset by removing the fuse. Keep the fuse out for 10 seconds and replace it to its slot.
2007 Hyundai Elantra brake light bulb replacement: Purchase the correct replacement brake light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement brake light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for brake light bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
airbag light is on dash
The trunk light fuse on a 2003 Hyundai Elantra is located in the fuse box in the interior of the vehicle. It is on the driver's side. Look for the fuse for the dome light if the trunk light is not noted.
2003 Hyundai Elantra brake light bulb lamp replacement: Purchase the correct replacement brake light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement brake light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for brake light bulb lamp replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
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