It depends, the Roth contribution is already included in your taxable compensation for the year of contribution and taxes paid on your Roth contribution, so taxes are already being withheld. If you withdraw, there is no additional federal income taxes, unless the early withdrawal penalty of 10% applies with possible exceptions (before 59 1/2) mentioned in link above from IRS.
Or if you leave the excess in, a 6% penalty for what does not "absorb" or is taken out will apply. Remember, Roth contributions are made with after tax money, however pulling out early will trigger the 10% tax penalty, unless an exception applies.
You can manually enter if you take that option; but remember if taxes are withheld next year on the form you must report for tax purposes.
@coolcarn1sam
[EDITED 03/06/2023 | 12:07 PM PST]
Keep in mind you only have until generally April 15, 2022 to withdrawal the excess in 2021 to avoid penalty for that year, and what's not absorbed for 2023 needs to be taken out or a penalty will apply again on excess contributions.
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