Lexus keys: check your options
Missing remote, backup key or intermittent recognition: prepare a request for your Lexus.
Quote agreed before work · Availability confirmed by phone

Smart key: specify the functions
With a hands-free Lexus system, explain whether detection, buttons or starting are affected. These relate to vehicle equipment but do not describe one identical symptom. An available second key provides a useful comparison.
A reference for your version
CT, IS, NX and RX cover different configurations. Give the complete model, year and known options, including for a hybrid. Powertrain and case shape alone cannot confirm programming compatibility.
Define the service before booking
For a spare, we agree functions to retain and checks to carry out. After total loss, we assess Lexus access and replacement possibilities. Mobile service in Geneva or Vaud is confirmed according to feasibility, documents and parking conditions.
Models we can assess
CT, IS, ES, GS, LS, UX, NX, RX, RC, LC and RZ
Support depends on year and equipment. Independent service; compatibility is confirmed before booking.
Your question
Must a key be replaced if my Lexus cannot detect it?
Not without assessment. Describe messages and behaviour with any second key to avoid confusing a key defect with a vehicle-side problem.
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Need help? Let’s talk.
Explain your situation. We confirm the next step before arranging a visit.