Tesla Model S Warning Lights: What They Mean

Red: stop or act now

Parking Brake Indicator

The parking brake is engaged. PDF page 85

Amber: check soon

ABS Indicator

An ABS fault has occurred and ABS is not operating. Brakes still work, but braking distances may increase.
What to do: Contact Tesla. Drive cautiously and avoid heavy braking. PDF page 83

Other warnings and indicators

Airbag Warning Indicator

Airbag system detected a fault if the indicator stays on after the start-of-drive check.
What to do: Contact Tesla service immediately. Do not drive until Tesla inspects the airbag system. PDF page 55

Low Tire Pressure Telltale

One or more tires is significantly underinflated.
What to do: Stop and check your tires as soon as possible, and inflate them to the proper pressure. PDF page 197

Passenger Airbag Off Indicator

The passenger front airbag is off and will not inflate in a collision. It also shows when the seat is unoccupied.
What to do: With a child seat in front, confirm it is OFF. For an adult passenger, make sure the airbag is ON. PDF page 55

Summarized in our own words from the 2026 Tesla Model S 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.