Workshop manual to the rescue
"The construction and operation of the body system of the face-lifted MX-5 (NB) model is essentially carried over from that of the current MX-5 (NB) model, except for the following features.
Improved Safety.
The seat belts are equipped with load limiter and pre-tensioner systems.
A double locking system has been added to power door lock system.
Improved Convenience. A keyless entry system has been adopted.
An auto open function has been adopted for the driver-side power window system.
The console has been enlarged to provide more space utilization.
A removable ashtray has been adopted.
Inproved Comfort.
A seat warmer system has been adopted.
Improved Design.
Quad headlights have been adopted.
The instrument cluster design has been changed.
Improved Marketability.
Front fog lights have been added.
A 2-Din size audio unit has been adopted. It provides various, extendable combinations (CD player/CD changer/cassette deck/MD player).
Modification To Match Market Regulations.
A MIL (Malfunction Indicator Lamp) has been added to the instrument cluster or OBD model in compliance with the OBD regulation."