Auto-On Headlight Operation Inspection (If Equipped)

Turn ignition switch to ON position and then turn lighting switch to "AUTO" position.
Release parking brake lever.
Check headlights for operation as follows. If headlights do not turn ON or OFF, go to AUTO-ON HEADLIGHT SYSTEM SYMPTOM DIAGNOSIS (IF EQUIPPED) .
1. Cover auto-on headlight sensor by hand and check that headlights light up then.
2. Light over auto-on headlight sensor vertically with on incandescent lamp of approx. 100W from a distance of about 100 mm (3.94 in.) (1) and check that headlights go off then.
3. In the state as described in Step a), pull up parking brake lever and check that headlights go off then.
  
  Fig 1: Inspecting Auto-On Headlight Operation
  Courtesy of SUZUKI OF AMERICA CORP.