Battery
Car Won't Start But Battery Is Good
If your battery is fine but the car won't start, the likely culprits are the alternator, starter motor, fuel system, or ignition. Here's how to diagnose it.
Read Guide ›Alternator vs Battery: How to Tell the Difference
Battery problems kill your car once. Alternator problems keep killing it. Here's how to tell which one is failing so you fix the right part.
Read Guide ›Why Does My Car Click But Not Start?
Clicking when you turn the key points to a dead or weak battery, corroded terminals, or a bad starter solenoid. Here's how to diagnose which one fast.
Read Guide ›Can You Jump Start a Completely Dead Battery?
A completely dead battery can usually be jump started, but it takes longer and needs the donor car running first. Here's the right process and when it won't work.
Read Guide ›How To Start a Frozen Car Battery
A frozen battery is dangerous to jump-start. Here's how to tell if yours is frozen and what to do safely before attempting a start.
Read Guide ›Car Won't Start in Cold Weather: What To Do
Cold mornings are hard on batteries, oil, and fuel systems. Here's how to diagnose why your car won't start and get moving fast.
Read Guide ›