Form

Form
Test Value "27438191" for a checked option.

Test value "nocheck" for no checked option.
Text
Name

First NameLast Name
Short Text field, populated by SF Checkbox (True or False)
Long Text field (to see if record is updated)
If the above is true, the checkbox below will be ticked by condition. If it is false, or any other value, it will remain unchecked.
With Garage?

Yes
Should be Empty: