Question on Automatic Transmission Fluid Change

05 Mini Cooper S Car was sitting for a year and a half. Car would not move after new battery was installed. Would changing the transmission fluid solve this problem? Low energy light comes on inside the car.

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[Nick at Pelican Parts]

The vehicle starts and run, but does not drive? Did it drive before it was left to sit?

I would start by checking the transmsiison fluid level.

- Nick

[Wyvern]

I worked on one that sat foe just over a year . ..
It took moving to drive , N , P , R a few times then she started gripping.

The transmissions are "sealed" but fluid can be changed (it is an interesting system that you need to do (I have a container and hang it from the rafters and use gravity / trans pump to do the work .)