It is important to pay attention to the warning lights in a car. The Service engine light means something is wrong with the engine and once it is taken care of, it will turn off on its own.
the battery may not have enough energy to turn on the lights. an is the engine turning over completely at the rate that it should be or is it struggling to turn? also check all of your fuses
Check your idling speed it might be too low to support the AC motor, so when you turn on the AC the engine dies, try increasing the idling speed a bit at a time.
Turn off engine, pull emergency breaks then turn engine on again.
In this order only. Turn engine off. Depress parking brake. Turn engine on. Lights will turn off. To turn lights back on relase parking brake.
Yes, it can turn the light on for the wrong oil.
These could all be symptoms of a very low battery.
The engine will turn over , but either run poorly or not at all
You've left your lights on!
Pull out on the light switch when you have turned it to the right to turn on the lights.
Major engine failure?
It is either a bad relay , cut wire or the wrong wattage bulb .