Interpretation ID: nht76-1.2

DATE: 06/11/76

FROM: AUTHOR UNAVAILABLE; S. P. Wood; NHTSA

TO: British Leyland Motors Inc.

TITLE: FMVSS INTERPRETATION

TEXT: This is in response to your letter of March 29, 1976, concerning the requirements of Federal Motor Vehicle Safety Standard No. 101, Control Location, Identification, and Illumination, for identification of the headlamps and taillamps control.

Your letter presented two symbols specified by the International Standards Organization as alternatives for identification of the master lighting switch. One of these appears in Column 4 of Table 1 of the standard and the other does not appear anywhere in the table. The headlamps and taillamps control (master lighting switch) is required by S4.2.1 to be identified with the word "Lights". The manufacturer may supplement this identification with a symbol, but only with a symbol that appears in Column 3 or Column 4 of Table 1. In issuing the amendment to the standard published July 29, 1975 (40 FR 31770, copy enclosed), the National Highway Traffic Safety Administration considered both ISO symbols and decided not to permit the one that does not appear in the table.

YOURS TRULY,

British Leyland Motors Inc.

March 29, 1976

Office of General Counsel National Highway Traffic Safety Administration U. S. Department of Transportation

RE: FMVSS 101

To commonize on switches used for master lighting controls worldwide, one of the Leyland Cars divisions would like to use the ISO light bulb symbol for master lighting switch.

We do not find this alternative provided in any recent proposals issued by NHTSA and we ask:

a) if you have considered this alternative symbol

b) if you have decided not to allow its use

c) would you consider its use.

Dianne Black Liaison Engineer

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