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I have a Chrysler Grand Voyager XS bought recently, I have done less than a thousand miles of around town driving. It is having a problem reversing, no issues with driving forward. I can engage reverse but it feels as if I am reversing with a brake engaged. If I go gently I can reverse the car but I am keen not to damage it. I was trying to figure out if this is a handbrake issue or transmission issue, in diagnosing I found that if I move it from R to D and Back to R without moving it allows the car to reverse a bit, so if I keep doing that I can reverse a bit each time without the feeling of the brake, I have seen suggestions that it may be a sensor or a fault with the alternator that impacts on Transmission Control Unit, but not clear on how I diagnose that. I do not want garages to go on a "let's replace this that and the other" , I also do not want to pay a Transmission Shop a fortune if the issue can be resolved with a sensor. I am wondering if the car is engaging R and Park at the same time, I am not clear whether Park is applying a brake or a gear? Also considering an OBD2 adapter, these seem to be a minefield, from risky £7 chinese devices that report blow an engine management system, to £100 products that seem to be overkill. Can anyone recommend an good one that supports Voyager? Seen refererence 'key dance', anyone know what this is? Any suggestions on a way forward, I bought this car because my last Voyager had a problem with transmission that was beyond economic repair.