Car Key Dimensions
A key is necessary to open and start a car. Also 
referred to as an automobile key, it usually features a symmetrical design with grooves on both sides. Every vehicle has a corresponding key, which is used to open the trunk, the glove compartment as well as the doors. More importantly, this device is needed for starting the ignition. In addition to these basic facts, there are other interesting things to learn about it including the car key dimensions.
The Dimensions of a Car Key
The average size of car keys ranges from 2 to 3 inches or 5.08 to 7.62 centimeters. Car keys vary in size depending on the manufacturer and specific model of the vehicle. For instance, the Toyota Corona makes use of a key with a length of 3 inches or 7.62 centimeters. Other use smaller keys especially some car models from Ferrari, Porsche and BMW. Nowadays, the use of keyless entry systems is becoming more popular than traditional keys.
Additional Facts and Other Interesting Details
Some vehicles come with an extra key called a valet key. Not like a normal car key, this one can only start the ignition and open the door on the driver’s side. However, it cannot open the glove box and the trunk, which are locations within the car where people usually store their valuables.
More advanced vehicles even feature coded immobilizers to prevent valets from joyriding. Some cars now have ignitions that rely on electronic devices instead on the mechanical key switch, which give users better control of their vehicles. In modern vehicles, locks and ignition systems are connected to another security feature, which locks the gear lever as well as the steering column.
Some Mercedes-Benz vehicles feature theft-deterrent automotive keys. This high technology device utilizes a pre-encoded infrared beam to start the car. This one communicates with the computer of the car. If the codes are correct, the car will start right away. This kind of key is somewhat expensive to replace, the value of which can reach up to $400.
A switchblade key is featured in different Volkswagen and Land Rover vehicles. With a single press of a button, the car key will be released from the fob in an instant. In terms of function, it is actually not different from other car keys. However, many people prefer to have this kind of key because of its compact and sleek appearance. It comes with a programmed transponder chip, which makes it appropriate for newer car models.
