If the above-mentioned vehicles are found to have a problem with the hazard warning signal switching itself on without first being activated, the cause may be a defective hazard warning switch.
(Figure 1 / Figure 2 taking a Lancia Musa as an example)
An internal defect in the hazard warning switch triggers the activation of the hazard warning lights without the switch having been operated.
We recommend the following procedure
This defect can also occur in other vehicle models that have identical components!
Important safety note
Not helpful at all