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• Switch off ignition and all electrical consumers and re‐ move ignition key. • Before working on headlight system, make sure that no components are live and that the residual voltage after the headlights are switched off has dissipated. • Residual voltage can be dissipated by turning the dipped beams on and then off again after withdrawing the ignition key. • When working on the headlight system, ensure that the lights cannot be switched on. Notes on pressure, temperature and radiation/arcs WARNING • The gas discharge bulb may be operated in the headlight housing only (touch protection due to very hot bulbs, ab‐ sorption of UV radiation, avoidance of dazzling light, pro‐ tection against explosion). • The glass envelope of the gas discharge bulbs can be very hot - danger of burns! • Avoid looking directly into the beam, as the UV rays from the gas discharge bulb are about 2.5 times greater than normal halogen bulbs. • Avoid looking into the light beam (danger of glare); vision may be impaired for a substantial time. WARNING • Avoid contact with burst glass envelopes. can explode while being changed - danger of injury. • Always wear safety goggles and gloves when removing and installing gas discharge bulbs! 1. Operation and safety notes for gas discharge bulbs 73 |