Acura Car Key Replacement: What Type of Key Does Your Vehicle Use?
Acura has used several distinct key technologies across its lineup over the past three decades, and the type of key your vehicle requires has a direct impact on how the replacement is made and programmed. Older Acura models — some Integra generations among them — used basic cut metal keys with no electronic component, meaning a replacement is a matter of precision cutting matched to your door and ignition lock. Starting in the mid-1990s, Acura began integrating transponder chips into key blanks; these chips communicate with the vehicle's immobilizer system, and a key that is cut correctly but not programmed to your specific vehicle's ECU simply will not start the engine. Most current Acura MDX, RDX, and TLX models use either a blade-style transponder key combined with a separate remote fob, or a full proximity smart key (also called a push-to-start fob) that handles both entry and ignition electronically.
Our mobile units carry a wide inventory of OEM-compatible key blanks and fob shells for Acura vehicles, and our technicians use professional-grade programming tools to write the key data directly to your vehicle's immobilizer — no dealer visit required. The entire process, from cutting to live programming, typically happens faster than scheduling and waiting for a dealer service appointment. Before any work begins, we confirm your identity and ownership of the vehicle; you'll need to provide a valid photo ID and proof of ownership such as a vehicle registration or title. This step protects you and every other Acura owner in Wilmette from unauthorized key duplication.