Shocking feedback and service

Shocking follow up - have to keep phoning. Picked up vehicle with non working remote but thought it was battery. 4/4 Got battery checked, no fault. Immediately notified them, and arranged to see on Monday. 7/4 Workshop mechanic confirmed it was not battery and would send off to be checked and keep me updated. 11/4 NO FEEDBACK. Called and manager promised to chase and feedback. 15/4 NO FEEDBACK, no response on message left. Called again and the lack of interest astounding. Told me I would need to take to dealer to reprogram AT MY COST as no proof it was broken. When I questioned lack of feedback, **** to say they only got back today.