US safety agency counts 900 for a total of 64 million vehicles in 2015.
NHTSA chief says options include fines and buy-backs of vehicles.
Forum finds that completion rates for serious recalls, including faulty air bags, are below 15%.
Complaints include incidents related to air bags made by Japanese auto supplier Takata Corp.
Recalls more than 566,000 trucks, SUVs for fire risk, stability control software.
Latest round of recalls includes 700,000 vehicles in Canada.
German automaker failed to meet federal defect requirements.
The owner of a beloved 17-year old Saturn was in the market for a new vehicle. The car was still road worthy but some expensive repairs were on the horizon. It was time to move on, but to what? Our…