Join Date: Mar 2014
Location: Toronto, Canada
Head over to the F-Type Forum at Jaguar Forums: jaguarforums[dot]com/forum/f-type-x152-72/ F-Type ( X152 ) - Jaguar Forums - Jaguar Enthusiasts Forum Search the forum for 'low battery'. There have been a number of threads on this topic; with symptoms that match yours.
The most common fix is to disconect your battery for short time (i.e. less than a minute). This resets the power management software. Give it a try and let us know how you make out.
Excuse the odd looking URL (above). I don't have enough activity here to be able to post full URLs.
2017 Polais White V6 Convertible