Instant Pot Carrot Cake

For cake:

• 1 box spice cake mix plus ingredients to prepare mix (eggs, oil, water)
• ½ cup orange juice or pineapple juice from crushed pineapple
• 1 ¼ cup carrot shredded
• 2 ounces pineapple drained, crushed
• ½ cup raisins optional
• ½ cup pecans chopped

For frosting

• ½ cup butter room temperature
• 8 ounces cream cheese room temperature
• 1 teaspoon vanilla
• 3 cups powdered sugar