* Faulty ignition switch: The ignition switch is responsible for sending power to the dashboard lights. If the ignition switch is faulty, it may not be able to send power to the lights, causing them to go off.
* Blown fuse: There is a fuse that controls the power to the dashboard lights. If this fuse is blown, the lights will not come on.
* Bad wiring: The wiring that connects the ignition switch to the dashboard lights may be damaged or corroded. This can prevent power from reaching the lights, causing them to go off.
* Faulty light bulbs: The bulbs in the dashboard lights may be burned out. If this is the case, the lights will not come on when the ignition is turned on.
To troubleshoot the problem, you can start by checking the ignition switch. If the ignition switch is faulty, you will need to replace it. If the ignition switch is not faulty, you can check the fuse that controls the power to the dashboard lights. If the fuse is blown, you will need to replace it. If the fuse is not blown, you can check the wiring that connects the ignition switch to the dashboard lights. If the wiring is damaged or corroded, you will need to repair or replace it. If the wiring is not damaged or corroded, you can check the light bulbs in the dashboard lights. If the light bulbs are burned out, you will need to replace them.
If you are not comfortable performing any of these repairs yourself, you can take your car to a qualified mechanic for diagnosis and repair.