Loss of brake pedal: This condition is usually a result of brake fluid leakage due to failure of a brake hose or a rusted metal brake line, a worn wheel cylinder or brake caliper, or a worn master cylinder. A simple once over of the system will reveal what's going on.
If you have questions about a specific purchase, it would be best to speak to an attorney who could inform you of your legal options. While there are laws that allow for a 3-day right to cancel certain purchases, these laws are very specific and do not apply in a majority of consumer purchases.
if you were not subject to fraud the car is not defective and you did not purchase an option to cancel the sale it may be very difficult to get out of a contract but you still may have options if you are wondering how to get out of a car purchase your first thought may have been to invoke the federal cooling off rule but this rule which allows consumers to cancel certain sales transactions within three days as a protection against high pressure sales tactics does not cover car purchases