Set your Instant Pot to sauté mode and heat sesame oil.
Add garlic, chicken, and cook until lightly browned.
Stir in soy sauce, fish sauce, brown sugar, rice vinegar, and red pepper flakes.
Add carrots, bell pepper, rice noodles, and water just enough to cover noodles.
Lock the lid, set to high pressure for 3 minutes.
Quick release, stir in beaten eggs until cooked through.
Mix in green onions and peanuts, garnish with cilantro and lime wedges before serving.