My car is 2005 Range Rover sport 2.7d 109000miles I have had my battery recently replaced by an auto electrics company, who have fitted a ‘banner p8820 88Ah’. As the weather has got colder I am noticing starting is problematic with error codes flashing up but then going away soon after (for...

Hi all, new to this forum so please bear with me. I have just bought my first RR 4.4V8 on a 2003 plate. It had a dodgy battery so I have had that changed. However when I got it home, I realised that the rear doors do not unlock. 1) Tried double pressing unlock button on key remote - no luck...