Well, everything seems to be Ok at the moment after the Auxiliary battery was fitted. I purchased a diagnostic tool on-line from iCarsoft, although I have not received it yet. Thank you everyone for your help, I have learned I need a diagnostic tool and my vehicle is an L405! Spent a lot of time...

Thank you, I am!

Thanks to all for your posts, I have now purchased a diagnostic tool on-line as suggested. I am just coming to terms with the Range Rover as I have never owned one before, always been Mercedes (Am I allowed to say that on here?) Anyway, I have learned quite a bit from you all in a very short...

Thanks, I'll have a look.

Thanks for the tip, I will have a look on the internet, is there one you would recommend?

Thank you both for your replies, I must admit I was getting nervous about getting stranded, so I took it into the dealers, the car has done 26k miles. They put it on the diagnostic and checked my battery and said my main battery was fine, but the 'back up' battery was dying. They replaced the...

Thank you again.

Thank you very much for the tips, I will bear your advice in mind, in the future. Also I have learned something L405 eh!

I have a 2015 Range Rover Vogue 4.4, I have an intermittent fault. When I depress the brake and push the start button the engine turns once, then shuts down, it feels like an electrical fault. I then lock/unlock the car (I don't know why) then after several attempts it starts and runs normally...