What the light means
Despite its name, the battery light usually signals an alternator or charging issue, not the battery itself.
What to do
Turn off accessories — A/C, radio, heated seats — to conserve power and head somewhere safe. Avoid turning the car off unless you're where you can get help.
Fixing it
We test alternator output, belt condition and cable connections on-site and replace failed parts the same visit.
Get it fixed by a mobile mechanic
Matt Mobile Mechanic of Austin handles this at your home anywhere around Austin:
Popular areas: Austin, Round Rock, Pflugerville, Cedar Park, Leander, Georgetown
Frequently Asked Questions
How long can I drive with the battery light on?
Often 15–60 minutes depending on battery charge.
Can a bad battery cause the light?
Occasionally, but the alternator is more common.
Is it the same as the check engine light?
No, it's specific to charging.