Click Saute on the Instant Pot and once it reads HOT add olive oil.
Once the olive oil starts shimmering, add onion, red bell peppers, carrots, garlic, curry powder, red pepper flakes, salt, and pepper. Cook stirring for 2-3 minutes.
Add chicken broth, lime juice, lime zest, and shredded chicken.
Close and lock the lid. Point valve to Sealing.
Pressure cook for 5 minutes. Natural Pressure Release for 10 minutes.
Prepare the rice noodles as written on the back of the package.
Open carefully the Instant Pot.
Press Saute and add rice noodles to the Instant Pot.
Cook for an additional 10 minutes on Saute to heat the noodles.
Serve garnished with green onions and cilantro.