Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
See also:
Engine codes - bodywork versions
...
Cooling System
WARNING!
• When working near the radiator cooling fan, disconnect the fan motor lead
or turn the ignition switch to the OFF position. The fan is temperature controlled
and can start at any time ...
Occupant Restraint Controller (ORC)
The ORC is part of a Federally regulated safety system required for this vehicle.
The ORC determines if deployment of the front and/or side air bags in a frontal
or side collision is required.
Bas ...