Three generations, 2011–2020. Pick yours.
2015–2020
Illustration — use it to know where to look.
RHD (UK): Driver's footwell, lower dashboard to the right of the steering column, tucked up high beside the fuse box cover above the pedals. The 16-pin connector sits behind/below the pull-off fuse panel trim on the outboard side of the dash. LHD: Mirror image — lower dashboard to the left of the steering column, beside the fuse box cover above the pedals. Same location across all JF trims (mechanical-ignition and push-button-start cars alike).
The socket sits next to the snap-off fuse box cover. On most JF cars the 16-pin connector is exposed and reachable directly once you crouch into the footwell; on some cars you pull the plastic fuse panel cover towards you by hand (no tools) to get a clear hand on the plug. No dedicated OBD flap.
Also on this Optima
Under the driver's side of the instrument panel, at the lower edge of the dash immediately left of the steering column, beside the driver's-side interior fuse panel cover. The 16-pin connector faces down into the footwell above the brake pedal area and can be reached from the driver's seat. Same position on LX, S, EX, SX, SXL, Hybrid and Plug-in Hybrid; US and Canadian cars are left-hand drive only.
US cars are left-hand drive only. The 16-pin connector is under the driver's side of the lower dash, immediately left of the steering column and directly beside the interior fuse panel, which sits behind its own cover to the left of the steering wheel. It faces down towards the footwell, roughly level with your knee when you are sat in the seat, and is well inboard of the bonnet release. Same position on every TF trim, LX through SXL, and on the Hybrid.
Questions
Step-by-step add-key and all-keys-lost procedures for every Optima, which of your tools will do it, and what catches people out.
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