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1999 El Dorado-Service engine soon

1061 Views 1 Reply 2 Participants Last post by  TexasBandit
My El Dorado has a bad sensor on the transmission. The dealer told me that it would cost around $5K to repair it-a very reasonable part but expensive labor to drop the transmission etc. I can't seem to access the on board computer to reset the Service Engine Soon light-I've been pushing the OFF/Passenger Temp buttons at the same time but the only message that comes up is "Apply brake to shift from park"....Can someone help me? I don't think I'm doing something right......
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:thumbsup: You have to push the OFF button and the PASSENGER WARMER buttons simultaneously and hold them for several seconds until the OBD message comes up. Hope this helps ...
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