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Roadside Assistance

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

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.

Need help now?

Call or text any hour. You get the price before we head out.

(469) 619-8700
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