There is "plenty" of guidance for hospitals on how they should run their car parks so patients' relatives are "not ripped off", a former member of the NHS Foundation Trust said.
Roy Lilley told Good Morning Britain hospitals would "have to charge" to pay for the wear and tear of the car park, but they should keep their prices reasonable.
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The child died on her injuries and another 14-year-old girl was injured after the buggy they were travelling in was involved in a car crash.
Cloud thickening from the west throughout the day. Rain in northwest later.
The Songs of Praise presenter has voluntarily agreed not to appear on BBC whilst an investigation takes place.