- 99% of the problem is the battery. 1% can be starter/spark plug. % j' A+ F& G( e! x2 i* V- if it's automatic transmission, check to see if the gear is set in park position. if it's in drive or reverse, you cannot start your vehicle. 3 h$ y3 E4 d$ {& a6 p* z& y( i1 v- make sure there's gas left in the tank8 c4 z+ k' ]9 [$ ^8 j" h
- depand on how old your car is, it may have a computer built in to control fuel injection. if the computer breaks, you won't be able to start the car either.