https://www.g28carkeys.co.uk/buckingham-auto-locksmiths-near-me/ Types of Car Spare Keys It doesn't matter if lost your car keys during a shopping trip or put it back while you were getting your coffee. Make sure to keep an extra key and look over the areas you like to leave your keys before heading out. Some supermarkets, such as Save Mart and H-E-B, have a self-service key duplication machine that can duplicate keys for cars and fobs. For more information on the process and current key prices, see their website. Valet Keys Valet keys are a kind of spare car key that allows the vehicle to be driven but does not unlock a trunk or glove box. They are a less expensive option than a standard replacement car key. They are usually used by hotel valet attendants and mechanics at repair shops to gain access to the vehicle of a customer. They can also be used by private parties to gain access to cars when the remote key fob battery of the owner is dead. The primary reason for using valets is to stop theft. It is not unusual for valet parking attendants to take customers' vehicles for joy rides and the valet keys can be used as a deterrent to make it difficult for thieves to steal the vehicle. Valet keys are also beneficial for those who regularly leave valuables in their car's glovebox or boot. Modern valet keys retain the original functions of locks from earlier times. They are able to open the driver's side door but not the console or trunk lock. Some high-end luxury cars also have features that improve security by limiting power output. This prevents the car from starting with the key unless the engine has been shut off. These features are a good start, but the valet key has its drawbacks. For instance, some thieves are aware of the limitations of these keys and are able to use the crowbar to force them open. Additionally, some valet keys have weaker locks than those on standard replacement key fobs. In certain situations the valet key might not function as expected, esp