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To reset the check engine light on a 1999 Oldsmobile Silhouette, you can disconnect the negative battery terminal for about 15 minutes. This will clear the vehicle’s computer memory, including the check engine light. Alternatively, you can use an OBD-II scanner to erase the trouble codes that triggered the light. However, it's essential to address any underlying issues before resetting the light to avoid recurring problems.

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6d ago

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