| 5.2.6.2. | One additional filament light source according to UN Regulation No. 37, one or more additional LED light source(s) according to UN Regulation No. 128 and/or one or more LED module(s), inside the passing-beam headlamp, may be used for the purposes of generating infrared radiation. It/they shall only be activated at the same time as the principal light source or LED module(s). In the event that the principal light source or (one of) the principal LED module(s) fails, this additional light source and/or LED module(s) shall be automatically switched off; | a0c0 |