lights flicker when braking · lights dim at idle
The interior lights, dashboard lights or headlights visibly dim or flicker when braking, idling, or using multiple electrical accessories at once.
A workshop can test battery and alternator output together in a few minutes - this is the fastest way to isolate which component is failing.
Usually safe short-term, but get it tested soon - a failing charging system can leave you with a dead battery unexpectedly.
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Descriptions are for guidance only and do not replace a workshop inspection. If you are ever unsure whether it is safe to keep driving, pull over in a safe spot.
Battery keeps dying repeatedly
WarningThe battery is repeatedly found dead or too weak to start the car, even after being recharged or jump-started recently.
Several unrelated electrical problems appear at once
WarningSeveral seemingly unrelated electrical issues show up around the same time - for example, a window acting up, a warning light flickering, and the radio glitching.
Headlights are dim or flickering
WarningThe headlights appear noticeably dimmer than normal, or flicker on and off slightly, especially noticeable at night or idle.
One headlight is completely out
WarningOne headlight fails to turn on at all while the other works normally.
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