Hyundai 2008 Elantra - Manual (Page 165)

Features of your vehicle
92 4
1. POWER ON-OFF, VOLUME Control Knob
2. BAND Select Button
3. TUNE/MODE Select Knob
4. AUTO SEEK Select Button
5. SCAN Button
6. PRESET Station Select Buttons
HD_420 AM
STEREO RADIO PLAYER OPERATION (M420) (IF EQUIPPED)