Experts at Vehicle Contracts said: “Nowadays everyone tends to have hand sanitiser on them, which makes this particular hack all the more convenient.
“If you use a manual car key, it’s a common occurrence for the keyhole to freeze over making it impossible to turn the lock.
“If you break the key in the lock, replacement car keys cost up to £250, so it can be a costly issue to solve.
“One of the key ingredients of hand sanitiser is alcohol, which will cause any ice to simply melt away.
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