ARC Manufacturing could be heading for a legal battle with U.S. auto safety regulators after refusing a request that millions of potentially dangerous air bag inflators be recalled.

DETROIT — Honda is recalling a half-million vehicles, including some Accord, Odyssey and Insight models, in the U.S. and Canada because the front seat belts may not latch properly.

DETROIT — Nissan is recalling more than 809,000 small SUVs in the U.S. and Canada because a key problem can cause the ignition to shut off while they’re being driven.

Tesla Inc. is recalling 362,758 vehicles due to a crash risk associated with its so-called Full Self-Driving Beta software, according to U.S. authorities.

The U.S. is making General Motors recall and repair nearly 6 million big pickup trucks and SUVs equipped with potentially dangerous Takata air bag inflators.

Toyota Motor Corp. added 1.52 million vehicles to a recall due to potentially defective fuel pumps that may cause stalling. That brings the number of recalled Toyota and Lexus brand vehicles sold in the U.S. to 3.34 million.

Tesla Inc. is recalling about 30,000 imported Model S and Model X vehicles in China because of suspension problems, a setback for the U.S. electric-car maker just as it faces intensifying competition in the world’s largest auto market.

The U.S. government’s road safety agency is offering a smartphone app that will alert drivers if their vehicles are recalled.

Ford is recalling about 2.5 million vehicles in the U.S., Canada and elsewhere because of a nagging door latch problem and a brake fluid leak.

The U.S. government’s highway safety agency will not force automakers to recall millions of newer Takata air bag inflators, citing industry research that shows the devices are safe.