Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety. Notes: The Toyota Matrix is the mechanical twin of the Pontiac Vibe.

Both models were a joint GM-Toyota venture, manufactured together at a NUMMI production facility in Fremont, CA. Only the heating & A/C systems are different.


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Toyota Matrix cooling system problems

cooling system problem

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2007 Toyota Matrix Owner Comments

problem #1

Jan 252010


  • miles


2nd time - anti-freeze... gone! 2 checks performed, 2 different places, no leaks. Last summer, my ac went out (22K miles). Had it checked... nothing wrong... woke up this morning to a puddle of sludge (A/F) in my driveway. This is the 1st time it's visible. Praying it's just the change from freezing weather to 50 degrees in a 24 hour span!

- Bayonne, NJ, USA

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