Ford F-150 Lightning Warning Lights: What They Mean

Red: stop or act now

Red trouble indicator

The mobile power cord charger detected an error and will not deliver power to the vehicle.
What to do: Correct the error before a charging cycle can begin or continue. PDF page 214

Amber: check soon

Amber fault indicator

The mobile power cord charger is rebooting after an error. PDF page 214

Other warnings and indicators

Low tire pressure telltale

One or more tires are significantly under-inflated. If it flashes about a minute then stays on, the monitoring system has a malfunction.
What to do: Stop and check your tires as soon as possible, and inflate them to the proper pressure. PDF page 492

Passenger airbag status indicator (off lamp)

The front passenger frontal airbag is disabled, e.g. seat empty, infant restraint detected, or a system problem.
What to do: If an adult is seated, switch off the vehicle and have them sit upright and centered with legs extended. PDF page 69

Blue: system on

Blue status indicator

The mobile power cord charger is plugged into the wall outlet and ready to use. PDF page 214

Summarized in our own words from the 2026 Ford F-150 Lightning owner's manual (AI-assisted; every light name was matched against its cited page 2026-10-18). Your vehicle may not have every light, and other years can differ. A red warning that stays on usually means stop safely and check: your manual has the final word.