Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Lighting and Horns: Testing and Inspection



Performance Check

1. Switch on side, head and tail lamps and check operation.
2. Check headlamp levelling operation.
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 (with ignition switch at '0' position) 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.