These clearly do not effect the safety or driveability of the car and the car still looks good. But you've paid a lot of money and these things should work. Again the court will consider the extent of minor flaws and the work required to fix them. Quality includes the safety of the product. A dangerous toy which has sharp edges clearly falls into this category as does a toaster that gives you shocks.
Quality includes durability .
If you spend a 1 on a ball for your dog and it lasts ten minutes before the dog destroys it you should be neither surprised as the price is a factor which indicates quality and no doubt the ball was never designed to be chewed by a dog in any event. But spending 20000 on a car that starts to fall to bits in a year would indicate a serious failure in the products durability. The reasonable person would expect the car to last for perhaps ten years and 120000 miles. 3. where you have had the good in your possession as a sample and that reasonable examination of the good would have revealed the defect. The quality of the goods is a vital concept, but so is the length of time the goods are in the hands of he purchaser.