Jeep Wrangler: Yellow Indicator Lights / Neutral Indicator Light — If Equipped
This light alerts the driver
that the
vehicle is in the neutral mode.
This light indicates when the
front,
rear, or both axles have been locked.
The telltale will display the lock icon
on the front and rear axles to indicate
the current lock status...
Other information:
Your vehicle is equipped with a Selective
Catalytic Reduction (SCR) system to meet the
very stringent diesel emissions standards
required by the Environmental Protection Agency.
The purpose of the SCR system is to reduce levels
of NOx (oxides of nitrogen emitted from engines)
that are harmful to our health and the
environment to a near-zero level...
Observe the following when the diesel engine is
operating:
All message center lights are off.
Malfunction Indicator Light (MIL) is off.
Engine Oil Pressure telltale is not illuminated.
Voltmeter operation.
The voltmeter may show a gauge fluctuation at
various engine temperatures...