No reprogram needed, but (if you have your radio code then I'd disconnect the battery for 1 minute. This way the DME forgets it's old settings and learns from scratch
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I still wave at Boxsters, but they no longer wave back :-(
2002 Boxster S "Violet" (sold but not forgotten)
2009 Carrera 4S "Kelsey" (current ride)
2015 FIAT 500e "Nikki" my commuter car