GMC Canyon Warning Lights: What They Mean

Amber: check soon

Four-Wheel-Drive Light

Shows the selected drive mode and flashes during a shift. When amber, there may be a malfunction in the four-wheel-drive system.
What to do: If amber, see your dealer. PDF page 94

Lane Keep Assist (LKA) Light

Amber flashing is a lane departure warning that a lane marking was crossed unintentionally; also shows for a Blind Zone Steering Assist crash risk. Green means ready; white means unable to assist. PDF page 95

Pedestrian Ahead Indicator

A pedestrian is detected in front of the vehicle. PDF page 95

Vehicle Ahead Indicator

Green means a vehicle is detected ahead; amber means you are following a vehicle too closely. PDF page 95

Other warnings and indicators

Antilock Brake System (ABS) Warning Light

The ABS has detected a problem and is not working as expected, though regular brakes still work. It also shows when the front axle lock is engaged.
What to do: See your dealer for service. If the brake system light is also on, both ABS and regular brakes are affected; see dealer. PDF page 94

Automatic Emergency Braking (AEB) Disabled Light

Automatic Emergency Braking or Front Pedestrian Braking is turned off or unavailable due to malfunction, weather, or a dirty windshield. PDF page 95

Hill Descent Control Light

Shows when the system is ready for use; flashing means the system is active. PDF page 94

Green: system on

Adaptive Cruise Control Indicator

White means Adaptive Cruise Control is on; green means it is active; blue means the accelerator pedal is overriding it. PDF page 200

Summarized in our own words from the 2026 GMC Canyon 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.