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    4. : What does code 18 signal on Opel Karl?

What does code 18 signal on Opel Karl?
What does code 18 signal on Opel Karl?

Years: 2015-2019
The code 18 error message that appears on the information display of the Opel Karl indicates, according to what is stated in the "instruments and controls" section of the owner's manual, "left low beam failure".

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