Using sauté setting - heat oil, then add onion, carrot, celery, and jalapeno. Cook for 4 minutes, stirring frequently. Then add thyme, bay leaf, garlic and vinegar and cook one minute. Next, add the rice, mix well and cook for another 30 seconds, stirring constantly.
Add stock and salt, mix well. Then add peas and mix again.
Finally, lock lid, close vent, and switch to rice setting (12 minutes, low pressure).
Once cook time is complete, allow pressure to release naturally (about 10 minutes). Remove bay leaf and thyme sprigs.