Acura TSX Sport Wagon Warning Lights: What They Mean

Other warnings and indicators

Low Oil Pressure Indicator

Engine oil pressure is low.
What to do: Park safely at once, stop the engine, wait about three minutes, check oil level; if light stays on over 10 seconds, call a dealer. PDF page 300

Malfunction Indicator Lamp

Emissions control problem or loose/missing fuel cap when on; blinking means an engine misfire is detected.
What to do: If on, avoid high speeds and see a dealer. If blinking, park safely, let the engine cool at least ten minutes, then see a dealer. PDF page 301

Charging System Indicator

The battery is not being charged.
What to do: Turn off climate control, rear defogger and other electrical loads, and contact a dealer immediately. Do not switch off the engine if stopping briefly. PDF page 300

Electric Power Steering (EPS) System Indicator

There is a problem with the electric power steering system; steering may become heavier.
What to do: Stop safely and restart the engine. If it stays on, have a dealer inspect the vehicle immediately. PDF page 302

Transmission Indicator

Blinks if the transmission system has a problem.
What to do: Avoid sudden starts and acceleration and have the vehicle checked by a dealer immediately. PDF page 66

Low Tire Pressure/TPMS Indicator

Tire pressure is significantly low in a tire; blinking then staying on indicates a TPMS problem.
What to do: Stop safely, check tire pressures and inflate if needed. If it blinks and stays on, see a dealer. PDF page 69

Seat Belt Reminder Indicator

Driver or front passenger has not fastened a seat belt; beeper sounds.
What to do: Fasten seat belts. If it stays on after buckling, have a dealer check for a sensor error. PDF page 67

Low Fuel Indicator

Fuel reserve is low (about 2.8 U.S. gal./10.5 L left); blinking means a fuel gauge problem.
What to do: Refuel as soon as possible; if blinking, have a dealer check the vehicle. PDF page 67

Door and Tailgate Open Indicator

The tailgate or a door is not completely closed; beeper sounds if a door opens while driving.
What to do: Close all doors and the tailgate. PDF page 69

M (sequential shift mode) Indicator/Gear Position Indicator

Manual sequential shift mode is active; blinks if the transmission system has a problem. PDF page 67

Summarized in our own words from the 2014 Acura TSX Sport Wagon 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.