2016 California Standards for Accessible Design Pocket Guide - Eff. Jan. 1, 2017

11B-407.4.7.1.2 Location.

Raised characters or symbols and Braille designations shall be placed immediately to the left of the control button to which the designations apply.

[2010 ADAS] EXCEPTION: Where space on an existing car operating panel precludes tactile markings to the left of the controls, markings shall be placed as near to the control as possible.