hey guys, i'm new here and firstly just wanted to say thank you all for all the great work you do here to help us fellow jag owners out! that being said as per the title what can i do to get this fixed/ what are my options? some details for assitance; diesel xf portfolio, no other electrical or engine startin or computer issues, original battery from 2016 still being used so wondering if a charger will do the job or i need a new battery. thank you all in advance for your help and support