Starter motor
Spins the engine to get it going.
Signs it's worn: Single click and nothing, grinding on start.
What's wrong with my car? · Starting
Lights work, one click, but the engine won't turn over?
Usually: Failing starter motor.
If the lights are bright but you get one click or a grind when you turn the key, the starter is the usual suspect.
The parts that fix it
Battery
Starts the car and runs electronics while the engine is off. Lasts 3-5 years in LA heat.
Signs it's worn: Slow crank, clicking, dim lights on start-up.
See what these parts really cost for your car. Enter your VIN and we'll bring back 2-3 options from real sellers (dealer, name brand and budget), shipped to your door. Finding prices is free.
This is a first read from the symptom, not a diagnosis of your car. If you're not sure, have a mechanic confirm before you buy, and bring the prices you found here with you.