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How do you disconnect my battery so it resets check engine light?
Wiki User
∙ 12y ago
Disconnect the negative battery cable for 10 minutes.
On a lot of late model vehicles, made in the last 10 years, that will no longer work. You will need access to a scan tool to reset the check engine light. Also, if the cause of the light has not been repaired, the light will come back on.
Wiki User
∙ 12y ago
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