Panic Alarm

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Panic Alarm
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Important:Β  On some export vehicles the panic alarm will not reset after a predetermined amount of time. The panic alarm must be manually turned OFF using one of the methods listed below.

A single press of the transmitter panic button will:

  • Pulses the horn.
  • Illuminates the interior lamps.
  • Flash the parking lamps.
  • Flash the headlamps.
  • Turn the puddle lamps on (if equipped).

All of the above will occur for a predetermined amount of time or until:

  • The Panic button on the transmitter is pressed again.
  • The vehicle is unlocked with the key.
  • The ignition switch is turned to the RUN position with a valid key
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.