Title 49, Part 571 — Federal Motor Vehicle Safety Standards

Scope.

Definitions.

Explanation of usage.

Matter incorporated by reference.

Applicability.

Effective date.

Separability.

Designation of seating positions.

Standard No. 101; Controls and displays.

Standard No. 102; Transmission shift position sequence, starter interlock, and transmission braking effect.

Standard No. 103; Windshield defrosting and defogging systems.

Standard No. 104; Windshield wiping and washing systems.

Standard No. 105; Hydraulic and electric brake systems.

Standard No. 106; Brake hoses.

[Reserved]

Standard No. 108; Lamps, reflective devices, and associated equipment.

Standard No. 109; New pneumatic tires for vehicles manufactured from 1949 to 1975, bias ply tires, and T-type spare tires.

Tire selection and rims and motor home/recreation vehicle trailer load carrying capacity information for motor vehicles with a GVWR of 4,536 kilograms (10,000 pounds) or less.

Standard No. 111; Rear visibility.

[Reserved]

Standard No. 113; Hood latch system.

Standard No. 114; Theft protection and rollaway prevention.

[Reserved]

Standard No. 116; Motor vehicle brake fluids.

Standard No. 117; Retreaded pneumatic tires.

Standard No. 118; Power-operated window, partition, and roof panel systems.

Standard No. 119; New pneumatic tires for motor vehicles with a GVWR of more than 4,536 kilograms (10,000 pounds), specialty tires, and tires for motorcycles.

Tire selection and rims and motor home/recreation vehicle trailer load carrying capacity information for motor vehicles with a GVWR of more than 4,536 kilograms (10,000 pounds).

Standard No. 121; Air brake systems.

Standard No. 122; Motorcycle brake systems.

Standard No. 122; Motorcycle brake systems.

Standard No. 123; Motorcycle controls and displays.

Standard No. 124; Accelerator control systems.

Standard No. 125; Warning devices.

Standard No. 126; Electronic stability control systems for light vehicles.

Standard No. 127; Automatic emergency braking systems for light vehicles.

[Reserved]

Standard No. 129; New non-pneumatic tires for passenger cars.

Standard No. 131; School bus pedestrian safety devices.

Standard No. 135; Light vehicle brake systems.

Standard No. 136; Electronic stability control systems for heavy vehicles.

Standard No. 138; Tire pressure monitoring systems.

Standard No. 139; New pneumatic radial tires for light vehicles.

Standard No. 141; Minimum Sound Requirements for Hybrid and Electric Vehicles.

Standard No. 201; Occupant protection in interior impact.

Standard No. 202; Head restraints; Applicable at the manufacturers option until September 1, 2009.

Standard No. 202a; Head restraints; Mandatory applicability begins on September 1, 2009.

Standard No. 203; Impact protection for the driver from the steering control system.

Standard No. 204; Steering control rearward displacement.

Standard No. 205, Glazing materials.

Glazing equipment manufactured before September 1, 2006 and glazing materials used in vehicles manufactured before November 1, 2006.

Standard No. 206; Door locks and door retention components.

Standard No. 207; Seating systems.

Standard No. 208; Occupant crash protection.

Standard No. 209; Seat belt assemblies.

Standard No. 210; Seat belt assembly anchorages.

[Reserved]

Standard No. 212; Windshield mounting.

Child restraint systems; Applicable unless a vehicle or child restraint system is certified to § 571.213b.

Standard No. 213a; Child restraint systems—side impact protection.

Standard No. 213b; Child restraint systems; Mandatory applicability beginning December 5, 2026.

Standard No. 214; Side impact protection.

[Reserved]

Standard No. 216; Roof crush resistance; Applicable unless a vehicle is certified to § 571.216a.

Standard No. 216a; Roof crush resistance; Upgraded standard.

Standard No. 217; Bus emergency exits and window retention and release.

Standard No. 217a; Anti-ejection glazing for bus portals; Mandatory applicability beginning October 30, 2027.

Standard No. 218; Motorcycle helmets.

Standard No. 219; Windshield zone intrusion.

Standard No. 220; School bus rollover protection.

Standard No. 221; School bus body joint strength.

Standard No. 222; School bus passenger seating and crash protection.

Standard No. 223; Rear impact guards.

Standard No. 224; Rear impact protection.

Standard No. 225; Child restraint anchorage systems.

Standard No. 226; Ejection Mitigation.

Standard No. 227; Bus rollover structural integrity.

Standard No. 301; Fuel system integrity.

Standard No. 302; Flammability of interior materials.

Standard No. 303; Fuel system integrity of compressed natural gas vehicles.

Standard No. 304; Compressed natural gas fuel container integrity.

Standard No. 305; electric-powered vehicles: electrolyte spillage and electrical shock protection; applicable unless a vehicle is certified to § 571.305a.

Standard No. 305a; electric-powered vehicles: Electric powertrain integrity; mandatory applicability begins on September 1, 2027.

Standard No. 307; Fuel system integrity of hydrogen vehicles.

Standard No. 308; Compressed hydrogen storage system integrity.

Standard No. 401; Interior trunk release.

Standard No. 403; Platform lift systems for motor vehicles.

Standard No. 404; Platform lift installations in motor vehicles.

Standard No. 500; Low-speed vehicles.