Back fog light (if it is provided)
State
Possible causes of defect
Recommendations to elimination
The back fog lamp does not burn
The safety lock of "FOG" burned down
Replace a safety lock, to check for short circuit
Malfunction of the switch of a back fog lamp
Replace the switch
Malfunction of the switch of light of headlights
Malfunction of conducting or grounding
Repair
The lamp burned down
Replace a lamp