Try smearing lube on it and whispering sweet nothings to it, if that doesn't work then the old Marmite and microwave trick might work.
If it still doesn't play the only option is the blowtorch and steamroller i'm afraid.
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MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.