Document ID: chunk:federal_register_of_legislation:F2023C00919:body:0:p85
Version: federal_register_of_legislation:F2023C00919
Segment Type: other
Provision Reference: 
Character Range: 250013–253250

provided or if the hazard warning signal is activated.
6.23.8.                          Tell tale
Optional
6.23.9.                          Other requirements
6.23.9.1.                    Except as provided in paragraph 6.23.9.2. below, if a motor vehicle is equipped to tow a trailer, the control of the emergency stop signal on the motor vehicle shall also be capable of operating the emergency stop signal on the trailer.
When the motor vehicle is electrically connected to a trailer, the operating frequency of the emergency stop signal for the combination shall be limited to the frequency specified in paragraph 6.23.7.1.1. However, if the motor vehicle can detect that filament light sources are not being used on the trailer for the emergency stop signal, the frequency may be that specified in paragraph 6.23.7.1.
6.23.9.2.                    If a motor vehicle is equipped to tow a trailer fitted with a service braking system of either continuous or semi-continuous type, as defined in Regulation No.13, it shall be ensured that a constant power supply is provided via the electrical connector for the stop lamps to such trailers while the service brake is applied.
The emergency stop signal on any such trailer may operate independently of the towing vehicle and is not required to operate either at the same frequency as, or in phase with that on the towing vehicle.
6.24.                                Exterior courtesy lamp
6.24.1.                          Presence
Optional on motor vehicles
6.24.2.                          Number
Two, however further exterior courtesy lamps to illuminate steps and/or door handles are permitted. Each door handle or step shall be illuminated by not more than one lamp.
6.24.3.                          Arrangement
No special requirement, however the requirements of paragraph 6.24.9.3. apply.
6.24.4.                          Position
No special requirement.
6.24.5.                          Geometric visibility
No special requirement.
6.24.6.                          Orientation
No special requirement.
6.24.7.                          Electrical connections
No special requirement.
6.24.8.                          Tell-tale
No special requirement.
6.24.9.                          Other requirements
6.24.9.1.                    The exterior courtesy lamp shall not be activated unless the vehicle is stationary and one or more of the following conditions is satisfied:
(a) The engine is stopped; or
(b) A driver or passenger door is opened; or
(c) A load compartment door is opened.
The provisions of paragraph 5.10. shall be met in all fixed positions of use.
6.24.9.2.                    Approved lamps emitting white light with the exception of main beam head lamps, day time running lamps and reversing lamps may be activated as courtesy lamp function. They may also be activated together with the exterior courtesy lamps and the condition of paragraphs 5.11. and 5.12. above may not apply.
6.24.9.3.                    The technical service shall, to the satisfaction of the Type Approval Authority, perform a visual test to verify that there is no direct visibility of the apparent surface of the exterior courtesy lamps, if viewed by an observer moving on the boundary of