Can I adjust my settings after cooking has started? August 13, 2021 09:56 Yes! You can adjust the time, temperature and pressure level even after the Instant Pot has started cooking. Related articles How do I know when it’s safe to open the lid after pressure cooking? How do I open and close the lid? How does the initial test run work? What is Delay Start, and how long is it? How do I clean the Instant Pot lid?