Almost since day one this car has had a ticking under the engine, repeatedly I was assured by the dealer that it was just noisy lifters. Low and behold, it is the manifest gasket (like many many others) that has warped and allows carbon monoxide into the passenger compartment. Toyota says it is not a safety issue that they cover. Never again Toyota. Too many issues with the Sequoia. Now let's talk about the back hatch . . .