Question After a vehicle is started, warning lights and buzzers: Answers Should stay on for several minutes. Should turn off within a few seconds. Should stay on until manually turned off. Explanation After a vehicle is started, the warning lights and buzzers should go out after a few seconds. If the warning signals do not turn off, there may be something wrong with the vehicle. This questions appears in the following tests: Arkansas Double Connecticut Class B Knowledge Test Kentucky Class A Knowledge Test Louisiana Class A Knowledge Test Missouri Class A Knowledge Test Missouri Tank