ImperialCrown· Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
The hood latch is probably frozen. Have a helper pull on the release lever inside while you 'thump' the front/center of the hood. That may release the latch. Spray it down with lube and then 'exercise' it by closing and opening it a few times.