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Roadside Assistance

Key fob not working: can't unlock or start the car

Most fobs have a metal key tucked inside: slide the release, pull it out and use it on the driver's door. If the fob works on nothing and the car stays dark once you're in, the car's battery is likely dead and a jump start should bring it back.

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Likely causes

  • Worn-out coin battery inside the fob
  • Dead or very weak car battery
  • Radio interference near towers or other electronics
  • Fob damaged by water or a fall
  • Fob no longer paired with the car

Try this first

  • Pull out the hidden metal key and unlock the driver's door
  • Look for a keyhole hidden under a small cap on the door handle
  • Stand right next to the door and try the fob again, away from other electronics
  • Once inside, hold the fob against the Start button with the brake pressed
  • Try the spare fob if someone can bring it

When to call us

  • You can't find any way into the car
  • You're inside but the dash is dark and nothing responds
  • The car clicks or stays silent even with a working fob

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

01Why does my fob work sometimes and not others?

A fob battery near the end of its life often works up close but not from across a parking lot. Strong radio signals nearby can also get in the way. Replacing the small coin battery inside usually fixes it.

02Can you make me a new key fob?

No. We open locked cars and handle dead batteries, but we don't cut, program or replace keys. A dealer or an automotive locksmith can do that.

Need help now?

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

(469) 619-8700
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