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malfunction. The ISO symbol is pictured in Figure 1. The ISO symbol incorporates the letters ABS
consistent with the requirement in
FMVSS No. 122. However, GTR No. 12, the global technical regulation concerning the location, identification, and operation of motorcycle controls,
telltales, and indicators, does not specify a size for the ISO symbol, nor is there a specification regarding the size of the lettering within the symbol.

Honda informed NHTSA that the typical height of the symbol on a production motorcycle equipped with ABS is 7 millimeters, and the letters ABS are approximately 2 millimeters high, though the dimensions may vary.
NHTSA lacks any other information on the range of symbol or letter sizes among various makes and models, and is unaware of a standardized symbol size or letter size to which manufacturers adhere.
According to the information provided by Honda and conversations that the agency had with the Motorcycle Industry Council, Inc. MIC and HarleyDavidson Motor Company HarleyDavidson, to comply with the letter height requirement for the ABS
malfunction telltale identifier in FMVSS
No. 122, manufacturers would have to enlarge the telltale considerably so that the letters ABS contained within the ISO symbol are at least 3/32 inch 2.4
millimeters in height. Alternatively, they would have to add a separate label using ABS or Antilock or Antilock displayed at the specified minimum height in place of, or in addition to, the ISO symbol. Motorcycle manufacturers stated that this would constitute a costly redesign of the telltale or instrument panel on many ABS-equipped motorcycles without any discernible safety benefit from the redesign.
Upon consideration of the concerns raised by the MIC, Honda, and HarleyDavidson, the agency issued an NPRM
on November 26, 2014 79 FR 70491.
The agency proposed removing the letter height specification for the ABS
malfunction telltale if manufacturers use the ISO symbol for ABS
malfunction. However, if only text is used for the ABS malfunction telltale, the minimum letter height requirement would still apply. We also proposed removing the reference to the specifications for ABS malfunction telltales in Table 1 of FMVSS No. 101
because that standard does not apply to motorcycles. Instead, we proposed adding both the FMVSS No. 101 telltale
specifications and the ISO ABS
malfunction symbol to Table 3 of FMVSS No. 123, Motorcycle controls and displays, which is the relevant FMVSS applicable to motorcycles.9
The agency sought comments on whether there should be a minimum height requirement for an ABS
malfunction telltale that uses the ISO
symbol and, if so, how large the symbol should be. Specifically, we asked whether the 7-millimeter height suggested by Honda as a minimum height or a different height would ensure readability without requiring a redesign of the telltale or instrument panel on many ABS-equipped motorcycles.
Furthermore, in light of the proposed changes, the agency announced in the NPRM that it was adopting a policy not to enforce the minimum height requirement for the ABS malfunction telltale for any motorcycle that uses the ISO symbol for ABS malfunction until a final rule implementing the proposal became effective. This non-enforcement policy provided relief to motorcycle manufacturers that use the ISO symbol for ABS malfunction but that could not meet the September 1, 2014, deadline for compliance without redesigning the telltale or instrument panel. Again, we have no information indicating that adverse safety consequences would result from allowing motorcycle manufacturers to use the ISO symbol for the ABS malfunction telltale as an alternative to the currently permissible ABS malfunction telltales.
We also proposed correction of an error in FMVSS No. 122. In paragraph S6.3.2d, which contains the test procedure for the dry stop test with a single brake control actuated, the brake
actuation force specified for motorcycles in categories 31, 32, 33, and 35 is specified as 350 N and, for category 3
4 motorcycles, 500 N. However, the higher actuation force was intended for category 35 motorcycles rather than category 34 motorcycles. We proposed this correction in the NPRM to be consistent with GTR No. 3 and with NHTSAs intention in the August 2012
final rule.

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9 The inclusion of the ISO symbol for ABS
malfunction in FMVSS No. 123 is also consistent with the recently adopted GTR No. 12, related to the location, identification, and operation of motorcycle controls, telltales, and indicators. See http www.unece.org/fileadmin/DAM/trans/main/
wp29/wp29wgs/wp29gen/wp29registry/ECETRANS-180a12e.pdf. However, this rulemaking is not intended to implement provisions of GTR No.
12.

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II. Summary of Comments NHTSA received 39 comments on the proposal; the MIC, Harley-Davidson, Honda, and 36 individuals provided comments.10 The MIC, HarleyDavidson, Honda, and six individuals supported allowing the ISO symbol.
Two commenters opposed allowing the ISO symbol to be used, stating that it is either not easily recognizable or is ambiguous.
III. Response to Comments A. Use of the ISO Symbol for an ABS
Malfunction as an Alternative to the Required Text In general, the commenters agreed with the proposal. However, two commenters opposed the use of the symbol, stating that the symbol is not easily recognizable. The agency does not agree that the ISO symbol is less recognizable than the currently permissible ABS malfunction telltales because the acronym ABS, which is a permissible telltale under the current regulation if it meets the height requirement, is contained in the ISO
symbol. Therefore, allowing the ISO
symbol to be used as the ABS
malfunction telltale does not make the telltale less recognizable than is currently permissible.
Furthermore, the agency believes that unfamiliarity with the ISO telltale symbol does not pose an undue immediate safety risk for the rider because an ABS malfunction warning only indicates that the anti-lock 10 The comments may be viewed at http
www.regulations.gov in Docket No. NHTSA2014
0117.

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Federal Register / Vol. 86, No. 5 / Friday, January 8, 2021 / Rules and Regulations