Count what still works
One usable key can matter even if it is not with you. Explain whether all keys are missing, a spare remains, or a damaged key has only stopped doing part of its job.
Describe a blade, buttons or starting behavior in ordinary words. A remote that fails to unlock and a vehicle that fails to start should not be combined into an assumed diagnosis.
Check the actual key system
Vehicle year and model help frame the compatibility conversation, but a lookalike key is not enough to settle it. Ask what information is needed to confirm the work and any programming requirements.
Do not buy a remote solely because its case looks familiar. Confirm whether any customer-supplied item can be considered before spending money on it.
Keep access and replacement clear
If you cannot open the car, include that in the call. Vehicle entry may need to be considered alongside making a key. Share the actual parking entrance and level, and involve the owner or rental provider when required.
Ask how necessary vehicle information should be supplied rather than posting identification or key details on an open page.
Review the finished result
Ask what the proposed key will operate, which work and components are included, and how any existing keys will be affected.
If a key is missing, make that concern explicit rather than assuming a new copy addresses it. Check the estimate and support for the specific system before arrangements proceed. Keep a remaining working key available if the agreed assessment requires it.