✳Topic
No spare, no key, and the car is in a parking lot. How a replacement is cut and paired on site, what the dealership does differently, and what the security gateway changed.
The chip in your key answers a challenge from the car every single time you start it. A plain explanation of the handshake, and what it means when it fails.
Four checks that take about five minutes, before you pay anyone to program a replacement remote you might not need.
Push-to-start keys are paired to the car rather than cut for it. What pairing means, why the vehicle has to be present, and what changed with security gateways.