Lincoln MKT Warning Lights: What They Mean

Other warnings and indicators

Brake System Warning Light

Parking brake is engaged with ignition on, or while moving it signals low brake fluid or a brake system fault.
What to do: Make sure the parking brake is released. If it stays on, have the vehicle checked immediately. PDF page 105

Engine Coolant Temperature

Engine coolant temperature is high.
What to do: Stop as soon as possible, switch off the engine and let it cool. PDF page 105

Engine Oil

Comes on at ignition on; if lit while the engine runs, it indicates a malfunction.
What to do: Stop safely, switch off the engine, check oil level. If oil is sufficient, have the vehicle checked immediately. PDF page 105

Charging System

Battery is not charging properly; if on with the engine running, the charging or electrical system may be malfunctioning.
What to do: Contact your authorized dealer as soon as possible. PDF page 105

Service Engine Soon Indicator

The OBD-II system has detected an emission-related malfunction, which may be temporary, such as from low fuel or poor fuel quality.
What to do: If it stays on, have the vehicle serviced at the first available opportunity. PDF page 177

Low Tire Pressure Telltale

One or more tires are significantly under-inflated. If it flashes about a minute then stays lit, the TPMS has a malfunction.
What to do: Stop and check your tires as soon as possible and inflate them to the proper pressure. PDF page 332

Seatbelt Warning Lamp

Driver seatbelt is not fastened when the ignition is turned on; a chime also sounds.
What to do: Buckle the driver seatbelt to turn off the lamp and chime. PDF page 47

Door Ajar

Ignition is on and a door is not completely closed. PDF page 105

Direction Indicator

Turn signal or hazard flasher is on. Staying on or flashing faster suggests a burned out bulb.
What to do: Check for a burned out bulb. PDF page 105

Passenger Airbag Status Indicator

Shows whether the front passenger frontal airbag is on (enabled) or off (disabled).
What to do: If the on lamp lights with a child restraint installed, switch off the vehicle, remove and reinstall the restraint per its instructions. PDF page 55

Cruise Control

Illuminates when you switch the cruise control system on. PDF page 105

Summarized in our own words from the 2019 Lincoln MKT 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.