Operation CHARM: Car repair manuals for everyone.

Lighting and Horns: Testing and Inspection




Lamps, Horns And Warning Indicators

Check
1. Switch on side, head and tail lamps and check operation.
2. Check operation of headlamp automatic levelling system.
3. Check turn signals and hazard warning lamps for correct operation.
4. Press brake pedal and check operation of brake lamps.
5. Check all exterior lamp lenses for clarity and condition. Pay particular attention to headlamp lenses for signs of stone chips or damage.
6. Check horn for loud clear sound.
7. Switch on headlamps and check light reminder warning operates when door is opened
8. Check operation of interior courtesy lights.
9. Check operation of all instrument pack warning and indicator lights.