One working key changes the question
A spare-key request and an all-keys-missing request can involve different work. Say whether a key still opens or starts the vehicle, even if it only works intermittently. Mention any separate remote or emergency metal key that remains available.
A replacement fob may need more than a matching outer case. Ask what can be supported for the specific vehicle, rather than choosing a device solely from an online photo. The common questions explain how to start that conversation.
The vehicle details come first
Have the make, model and year ready, along with the location of the parked car. If you are not with it, establish how access and authorization can be arranged. Sensitive ownership information is better discussed directly than left in a public message.
A car that will not start does not always have a missing-key problem. Explain what the key does and what the vehicle does in response. Avoid turning a description into a definite ignition or electrical diagnosis; the automotive service page helps distinguish the requests.
Keep the replacement plan practical
Ask what the proposed replacement includes, whether the request is suitable and how the total will be agreed. If a key was lost, ask separately what that means for the old key rather than assuming a new one automatically changes every access function.
For a work vehicle or a car owned by someone else, involve the authorized person early. Our estimate guide gives a short set of questions for agreeing on work without relying on a fixed price for a different model or situation.