Possible Clues:

• See 4
• Incentive (but not the stick)
• Dangling lure
• Snowman's nose, typically
• 3 down
• Encouragement to have run out in vehicle
• Incentive to fix corrosion on motor
• Vegetable mixed inside 23-Across and 84-Across
• Dessert often made with cream cheese frosting
• Vegetable soup ingredient