If necessary, drive the vehicle until the warning signal has extinguished.

The warning signal shall be activated when the ignition (start) switch is in the on (run) position (bulb check).

The warning signal must be visible even by daylight; the satisfactory condition of the signal must be easily verifiable by the driver from the drivers seat.

Additional information about the significance of the low tyre pressure warning tell-tale illuminating and a description of the corrective action to be undertaken if this happens.

The result of the ETC test shall be used to determine in which way the NOx control monitoring system is expected to react during the demonstration process (torque reduction and/or warning signal).