It is my Scout and I just replaced the bulbs with these indicators https://www.ebay.co.uk/itm/2x-T15-W16W-20-SMD-3030-Error-Free-Canbus-LED-Car-Reverse-Back-Light-Bulbs-Amber/303702470002?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 and for reversing lamps something like this
https://www.ebay.co.uk/itm/T15-W16W-Reverse-921-Led-Car-Bulbs-Xenon-White-Canbus-Error-Free-Parking-Light/372732385979?_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D225114%26meid%3Df9f5d1debcda466c906e273701ad2260%26pid%3D100005%26rk%3D6%26rkt%3D12%26mehot%3Dpf%26sd%3D392573632880%26itm%3D372732385979%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv5PairwiseWebWithDarwoV3BBEV2b&_trksid=p2047675.c100005.m1851
I doubt Skoda dealers will stock LED`s as they would have to adhere to OE parts.