I know in my house, I can set off the lamp indicator if I use the wrong type of bulbs. I live in a German Haus, so I have to use Bosch, not GE.

And don't forget to check the rear porch lamp...most people assume that the front carriage lamps are the culprit when the lamp indicator goes off!

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car