How does Smart weapon tracking work?

Smart weapon tracking requires that you have the appropriate cyberware installed to integrate with the tracking systems on the weapons. The appropriate mods will have the effect "Allows you to use the smart-targeting module in smart weapons" on the tooltip. You can find these implants at your local ripperdoc.

When using a smart weapon with the appropriate cyberware you get a large rectangular reticule and as long as the enemy you're targeting is in the reticule the bullets fired will curve their trajectory (including around corners and obstacles) to hit the target in all instances except where smart weapon jamming is used. In addition to this, any weak points detected on the enemy will be represented by a small diamond, with the targeted weak point being a filled in diamond. If you have multiple targets in the reticule, the highlighted target is the target that the bullets will head towards.

As Wakako tells you after you visit to collect your reward for the recovery of Sandra, Tyger Claw's wear tattoos made from dermal ink featuring smart weapon jamming technologies. You'll have a hard time hitting Tygers with a smart weapon whether you use this dermal implant or any of the other smart targeting cyberware.