Hyundai Santa Fe Warning Lights: What They Mean

Red: stop or act now

Parking brake warning light

Parking brake is applied, or brake fluid in the reservoir is low if it stays on with the brake released.
What to do: Drive carefully to a safe place and stop, check brake fluid with engine off, add fluid, and check for leaks. If it stays on, have brakes inspected. PDF page 132

Amber: check soon

Forward Safety warning light

Yellow: Forward Safety is deselected, disabled, or malfunctioning. Blinking red: Forward Safety or Cross-Traffic Safety is operating.
What to do: If yellow stays on after the sensor is uncovered or unblocked, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 139

Emergency steering warning light

Continuous yellow: Forward/Side Safety is deselected, disabled, or malfunctioning. Blinking red: Forward/Side Safety is operating. PDF page 139

Other warnings and indicators

Airbag warning light

Comes on briefly at start-up; staying on means a malfunction in the Safety Restraint System (SRS).
What to do: If it stays on while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 132

Seat belt warning light

The driver's seat belt is not fastened.
What to do: Refer to the Seat belts section in chapter 3. PDF page 132

Electronic Parking Brake (EPB) warning light

Comes on briefly at start-up; staying on means a malfunction with the EPB.
What to do: If it stays on while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 138

LED Headlight warning light

Illuminated: LED headlight malfunction. Blinking: malfunction of an LED headlight related part. Driving this way may shorten LED life.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer (as soon as possible if blinking). PDF page 143

GPF warning light

Accumulated soot has reached a certain amount. Blinking with a cluster message means the GPF needs inspection.
What to do: Drive above 50 mph for about 30 minutes to clear it. If blinking, have the GPF system inspected by a dealer. PDF page 147

Immobilizer indicator light

Shows smart key detection status; blinking indicates the key is absent or an immobilizer malfunction.
What to do: If the key is in the vehicle but not detected, or it blinks for a malfunction, have it inspected by a dealer. PDF page 145

Turn signal indicator light

Blinks when the turn signal is used. Staying lit, blinking rapidly, or not lighting may mean a turn signal malfunction.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 145

Icy road warning light

Warns that the road may be icy when outside temperature is below 40 °F (4 °C).
What to do: Avoid speeding, rapid acceleration, sudden braking, or sharp turning. PDF page 147

Electronic Stability Control (ESC) OFF indicator light

ESC has been deactivated with the ESC OFF button. PDF page 144

AUTO STOP indicator light

The engine is in Idle Stop mode of the ISG system. PDF page 144

Light ON indicator light

The parking lights or headlights are on. PDF page 147

Green: system on

Downhill Brake Control (DBC) indicator light

Green: DBC is activated (blinking when operating). Yellow: a malfunction with the DBC system.
What to do: If yellow stays on, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 143

AUTO HOLD indicator light

White: Auto Hold activated. Green: vehicle held at standstill. Yellow: Auto Hold malfunction.
What to do: If it stays yellow while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 138

Summarized in our own words from the 2026 Hyundai Santa Fe 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.