For vehicle service
Have the year, make and model ready; describe whether the key is lost, damaged or locked inside the vehicle, and mention any remote problem or known key type
For residential lock service
Describe the door, the lock and what you need done: a lockout, rekey or deadbolt installation; a clear photo can help identify the hardware
For any request
Share the city or ZIP code where service is needed and a phone number or email where you can be reached