2003 Cadillac CTS Logo
Posted on Nov 16, 2009
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Remote will not lock or unlock doors on 2003 Cadillac CTS

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David Shaub

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  • Posted on Nov 16, 2009
David Shaub
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It's time to replace the battery in the remote. They use a regular button cell, available at most battery racks.

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  • Expert 134 Answers
  • Posted on Nov 16, 2009
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Try replacing to battery in the key fob

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God bless you
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   2. Insert the ignition key into the ignition lock cylinder.
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Tire Size P225/55R-16

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