You can get a converter that will convert the signal to DAB but how good they are I don't know.
https://www.ebay.co.uk/itm/291641790370
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https://www.ebay.co.uk/itm/291641790370
Sent from my iPhone using Tapatalk
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
I can do programming and retrofits using genuine GM MDI and Dealer software.