Honda Odyssey Warning Lights: What They Mean

Amber: check soon

Adaptive Cruise Control (ACC) with Low Speed Follow Indicator (Amber)

There is a problem with ACC with Low Speed Follow, or the load limit was exceeded and ACC was canceled.
What to do: Have a dealer check the vehicle if it stays on. Make sure total load is within the Maximum Load Limit. PDF page 107

Lane Keeping Assist System (LKAS) Indicator (Amber)

There is a problem with the LKAS.
What to do: If it stays on constantly, have your vehicle checked by a dealer. PDF page 107

Other warnings and indicators

Charging System Indicator

There is a problem with the charging system.
What to do: Stop in a safe place and have a dealer check the vehicle immediately. Do not turn off the engine if stopping temporarily. PDF page 593

Malfunction Indicator Lamp

On: engine emissions control system problem. Blinking: engine misfire detected.
What to do: If on, avoid high speeds and get it inspected promptly. If blinking, park safely and wait 10+ minutes with engine off. PDF page 593

Low Tire Pressure/TPMS Indicator

A tire pressure is significantly low, or there is a TPMS problem if it blinks about a minute and then stays on.
What to do: Drive carefully, stop safely, and set tire pressure to the specified level. If it blinks then stays on, have a dealer inspect the tire. PDF page 597

Adaptive Cruise Control (ACC) with Low Speed Follow Indicator (White/Green)

White when you press the button; green while the system is operating. PDF page 107

Cruise Mode Indicator (White/Green)

White when you change to cruise mode; green once a speed is set for cruise control. PDF page 107

Lane Keeping Assist System (LKAS) Indicator (White/Green)

White when you press the LKAS button; green when LKAS is operating. PDF page 107

Summarized in our own words from the 2026 Honda Odyssey 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.