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Dashboard lightsAutomotive

KEY warning light (red)

Red: key with exclamation mark and key fob. · also called “key not detected light”, “key warning light”, “red key light”

What it means on mazda

Key system fault or key not detected

On continuously: malfunction in the keyless entry system; the engine may not start, so use the emergency starting operation and have it inspected. Flashing: the key battery is dead, the key is out of range or hard to detect, a similar key from another manufacturer is nearby, or the key was taken out of the cabin with the ignition on.

Source · Manufacturer manual Mazda CX-5 Owner's Manual (online, EC market) — Warning/indicator lights · checked

Where it appears

Questions about the KEY warning light (red) symbol

What does the KEY warning light (red) symbol mean on Mazda cars?
On continuously: malfunction in the keyless entry system; the engine may not start, so use the emergency starting operation and have it inspected. Flashing: the key battery is dead, the key is out of range or hard to detect, a similar key from another manufacturer is nearby, or the key was taken out of the cabin with the ignition on.
What does the KEY warning light (red) symbol look like?
Red: key with exclamation mark and key fob. It is also called “key not detected light”, “key warning light” and “red key light”.

Checked against the source · · How we verify