Possible Clues:

• Freeze, as glass
• Eci-glaciate?
• Single container must cover end of wage freeze
• Require antifreeze, maybe
• What windshields may do in January
• Turn frosty
• Yes, drink is said to get very cold
• I'm a drinker, say, to become hard and cold
• Freeze, like a road
• Freeze over, and a hint to a feature of 5-, 6-, 10-, 25- and 33-Down