The left and right direction indicators are switched on by raising or lowering the special stalk lever on the left of the steering column stalk; the function is activated with the key in the MAR-ON position.

The hazard warning lights (left and right direction indicators operated simultaneously) are activated via a button in the centre of the dashboard and all the direction indicators are activated at the same time. This function is always active for safety reasons.

The engagement of the direction indicators/hazard warning lights is managed by the Body Computer which also controls the flashing frequency.

In this way the two direction indicator warning lights in the instrument panel are also switched on; in addition, the system provides a low frequency acoustic signal in conjunction with the activation of the lights.

The Body Computer controls the correct operation of the direction indicators for each of the two circuits (right branch and left branch), detecting the following possible faults:

  • open load also without any command;

  • load short circuited to earth or Vbatt;

  • bulb missing or replaced with a more powerful one for the side lights (21 W instead of 5 W) or a less powerful one for the front and rear lights (5 W instead of 21 W).

Having detected a fault, the Body Computer switches on the "Exterior lights failure" warning light in the instrument panel.

The direction indicators are also used to signal that the commands sent by the remote control have been received and/or to signal a manoeuvre not carried out by the "passenger compartment access" control system.

    See E3040 CENTRAL LOCKING