The swiveling function of the headlights may be disabled.
coordinating everything from the immobilizer to the wipers. When B173D pops up, the BSI and the Engine ECU are having a "disagreement" about whether your key is allowed to start the car. The Troubleshooting Journey
: Replace the coin battery in your remote and try using a spare key if available.
Cannot unlock/lock with the fob. 5. Troubleshooting & Recommended Fixes BSI Intermittent faults - Peugeot Forums