What to Do When the Audi Q7 Car Key is Locked Inside the Car?
1 Answers
1. Solutions for when the car key is locked inside the car: 1. Look for a spare key; 2. Use the remote control to unlock; 3. Contact a locksmith to unlock. 2. Additional extended information: 1. Types of car keys: mechanical keys; remote control keys; touchscreen LCD keys; smart wristband keys. 2. The working principle of car keys: the key emits radio waves, which are received by the car antenna, and the electronic control unit (ECU) identifies the signal code, then the system's actuator performs the unlocking or locking action. 3. Functions of car keys: use the remote alarm device to quickly locate the vehicle; close windows after turning off the engine; automatically open the trunk; selectively open the driver's side door.