2010 Lexus IS F Owners Manual - Page 482

4-3. Do-it-yourself maintenance n Condensation build-up on the inside of the lens Contact your Lexus dealer for more information in the following situations. Temporary condensation build-up on the inside of the headlight lens does not indicate a malfunction. l Large drops of water are built up on the inside of the lens. l Water has built up inside the headlight. n Discharge headlights If voltage to the discharge bulbs is insufficient, the bulbs may not come on, or may go out temporarily. The discharge bulbs will come on when normal power is restored. n LED tail lights, stop/tail lights and high mounted stoplight The tail lights, stop/tail lights and high mounted stoplight consist of a number of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to have the light replaced. 4 Maintenance and care 427