SAE J 3099:2024-05-24

This practice presents methods for establishing the driver workspace. Methods are presented for:

• Establishing accelerator reference points, including the equation for calculating the shoe plane angle.
• Locating the seating reference point (SgRP) as a function of seat height (H30).
• Establishing seat track dimensions using the seating accommodation model.
• Establishing a steering wheel position.

Application of this document is limited to Class-A Vehicles (Passenger Cars, Multipurpose Passenger Vehicles, and Light Trucks) as defined in SAE J1100.