Car won't start after sitting for weeks
After a few weeks parked, the battery has usually been drained by the car's own computers and alarm, so a jump start is the common fix. Check the tires for low air before you drive, and if the battery dies again soon, it likely needs replacing.
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Likely causes
- Normal drain from the alarm, clock and computers
- An older battery that couldn't handle the wait
- A light or accessory left on
- Heat or cold while parked outside
- Wires chewed by rodents (less common)
Try this first
- Walk around and check the tires, since parked cars lose air
- Open the hood and look for nests or chewed wires without reaching in
- Turn everything off, then try to start it once or twice
- Make sure the shifter is in Park and press the brake firmly
When to call us
- The car clicks or does nothing
- It started once, then wouldn't restart
- A tire also looks flat and the car can't be driven
Call (469) 619-8700 or request online.
In danger or blocking traffic? Call 911 first.
We come to where your car is
Day or night: your driveway, the parking garage at work or the shoulder of the freeway.

Questions
01How long can a car sit before the battery dies?
It varies with the car, the battery's age and the weather. Newer cars with lots of electronics can drain sooner than older ones. If you'll be away for weeks, a battery maintainer or someone who drives the car now and then helps.
02Should I worry about anything besides the battery?
Check tire pressure before driving, and expect a little brake noise at first from surface rust. If the car sat for many months, old fuel can make it run rough; that's for a repair shop.
Also useful
- Car clicks but won't start
- Car won't start and makes no sound
- Car cranks slowly or struggles to start
- Car dies right after a jump start
- Battery light came on while driving
- Push-button start car won't start
- How Long Car Batteries Last in Texas Heat
- Signs Your Car Battery Is Dying
- AGM vs. Flooded Car Batteries: What's the Difference?
- Cold Cranking Amps (CCA) Explained
