The warning light on the dial turns on when the rear fog lights are turned on.
See also:
Engine codes - bodywork versions
...
Interiors
Periodically check that water is not trapped under the mats (due to water dripping
off shoes, umbrellas, etc.) which could cause oxidisation of the sheet metal.
CLEANING SEATS AND FABRIC AND VELVET ...
Headlights
Rotate the end of the multifunction lever upward to the first detent for headlight
operation.
Headlight Operation
NOTE: When the headlights are turned on, the Daytime Running Lights will be ...