<human>:  What should I do if my car won't start?
<bot>: Check to see if the battery is working by testing it with a voltage meter. 2 Make sure you have enough gas and are using the right type of fuel for your car. 3 Check all the fuses, relays and wiring to make sure nothing is disconnected or damaged. 4 If all of these steps fail you may need to consider having a mechanic take a look at your car.