Master Lock provides the answer to secure car key storage.

• Simple, robust, portable, weatherproof, secure storage safe for keys and other valuables.
• A four digit combination padlock with an integrated storage cavity that's large enough to hold all known electornic vehicle keys (and keyless "keys"), household keys, spare change and credit cards.
• By simply pressing a button the padlock opens the storage lid.
• Choose a solid anchor point on the car to secure the padlock shackle.