Car safety advocates say Toyota's recall plan to fix nearly $4 million vehicles with sudden acceleration problems is not enough.
The Channel 4 I-Team has been tracking the problems for two years.
This week, Toyota said it will shorten the length of the gas pedals to temporarily fix sudden acceleration and prevent the pedal from becoming stuck in the floor mat.
But it's only making the changes on seven recalled models.
Safety advocates say owners of other models have complained, too, and that Toyota should expand the recall.
They also suggest making changes to the under-funded National Highway Traffic Safety Administration, which has been investigating these reports.
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