… do we have to grant further access to park on the common driveway for her if she plays the medical disability card when it’s impacting the whole complex coming and going ?
That seems very unlikely. The ACROD website recommends that only disabled people with a mobility equipment requirement use the regular disabled spaces, not everyone with a permit. So demanding a special space just because she need to walk a little further would be ridiculous. Have a look at their website.
Where do we draw the line in being accommodating and still be fair to all the other residents ?
You draw the line at not creating a dangerous situation by allowing someone to park on a common driveway. I’m not sure what the process in WA is, but in NSW she would get a Notice To Comply from the committee or strata manager telling her that she was breaching a by-law forbidding parking on common property.
And are we setting a precedent for other residents to get complacent and park outside their unit every time they can’t be bothered putting their vehicles where they belong ?
Yes. Very much so.
It sounds like you have a cantakerous neighbour who doesn’t give a damn about anyone else, so why should you or your neighbours care what she thinks? If she keeps bashing into things, including your car, you might want to take a look at this web page which very briefly tells you how to report someone who shouldn’t be driving because of their age.
Or you could get a third party to tell her that unless she behaves, she could end up being fined under strata laws and lose her licence.