Older Jaguar (PATS / Pre-JLR)
- Older Jaguar lineup using Ford-era PATS (Passive Anti-Theft System) transponders + early Jaguar-specific systems
- X300 / X308 / X350 XJ, XK8 X100, S-Type X200, X-Type X400
- Mechanical key blade + transponder head; pre-smart-key era
- Aftermarket-supported with PATS-capable transponder equipment
XJ X300 / X308 / X350XK8 X100S-Type X200X-Type X400