hi, my 03 reg s type 3.0v6 auto, has DSC not available, and occasionaly, park brake fault, i checked the battery condition and only got 11.5 volts resting, charged it yesterday and today only 11.9v. could this be the problem?, i also noticed a date on the battery looks like the original one from new, jaguar stamped, made in germany 04 03.. april 2003. unbelievable? the car has only 50.000 miles with full service history. which battery do you guys reccomend? thanks for replies. derek.