It depends. Did you take any distributions that were reported on a 1099R for each of those four years? TurboTax checks for RMD issues if you have already entered a 1099-R and answered "No" to the question about taking the full distribution. If no 1099-R was entered (because no money was taken), the software doesn't detect an issue.
Without a 1099R, the RMD requirements will be ignored by the software.
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