2002 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE

Horn Chirp Timer

Perform following steps in order to personalize duration of horn chirp when remote keyless transmitter is used:

  1. Scroll through menu, using SEEK button, until CHIRP is displayed.
  2. Press DISP button to enter menu.
  3. Press PREV or NEXT button to scroll through following options:
    • SHORT - Short Chirp (16 msec).
    • LONG - Long Chirp (32 msec).
  4. Press DISP button in order to choose desired option. A chime will sound to verify setting.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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.

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