https://www.openlearning.com/u/keatingperry-sko630/blog/ReplacementAudiKeyTheGoodTheBadAndTheUgly What Is Audi Comfort Key? Audi comfort key is an absolute game changer for many people. It eliminates the need for you to look through your pockets and bags looking for car keys. This can be a real inconvenience when you're carrying your groceries or fastening your children in their car seats. This technology uses proximity sensors located in the trunk and on door lids that are synchronized with radio pulse generators inside the key. Let's explore the reasons why this feature is so beneficial. Keyless Entry There aren't many things on this earth more difficult than digging through your purse or pockets to find a car key. Fortunately Audi's Advanced Key technology can help you get rid of this issue for good. This method is more effective than traditional remote keys which depend on signals to unlock and starting the car. Instead, it uses proximity sensors to measure your distance from the vehicle. The sensors are connected to the radio pulse generator within the key, and are activated when you are within five feet of the Audi. The Audi will open automatically when you press the door handle or open up the trunk. The convenience of this feature could be a huge advantage when you're carrying groceries around, making sure your children are securely secured in their car seats, or loading your bags for the next adventure. The comfort key can be connected to the smart key system in your vehicle to start it using a push button. When the car recognizes your key fob, you'll need to press and hold the brake pedal while pressing the engine start button. The system will check the key fob to be sure it's the correct one before allowing you to leave the vehicle. While this is a wonderful convenience for drivers, it may not be as convenient for thieves who might want to steal your car. The system uses encryption to keep communication between the key fob and your vehicle secure, making i