When a car won't shift into reverse or drive, the driver should open the hood to check the transmission fluid level. The precise procedure varies from one model to another, so it is necessary to consult the vehicle's manual for accurate instructions.
The judicial branch can declare laws passed by Congress or executive acts by the President of the United States unconstitutional, thus legally voiding them. However, all federal judges are nominated by the president and approved by the Senate. Additionally, Congress can remove a federal judge from office by impeachment.
If, the courts are to regard the constitution, and the constitution is superior to any ordinary act of the legislature, the constitution, and not such ordinary act, must govern the case to which they both apply.. In other words, the Supreme Court may declare legislation unconstitutional. Thomas Jefferson, Andrew Jackson, and Franklin Roosevelt are three notable presidents who have been critical of this asserted power. Nevertheless the Supreme Court's power to decide constitutionality is a basic feature of U.S. law.