Related Clues:

• It's a potion that might be chosen
• Venting car option
• There's a charge for it
• Feature of some automobiles
• Perhaps put Boatman in work...
• Possible choice
• Something that may be chosen
• The right to choose
• Something choosable
• The right to choose work style to keep one involved
• Car ventilator
• Motor accessory of ours, new, originally
• Right to choose
• Sunroof, maybe
• Work on it for a change - it's an alternative