2000 Chevrolet Suburban C2500FACTORY OEM SERVICE PROCEDURE

Ambient Light Sensor

The ambient light sensor has 2 states: light and dark. When headlight switch is in AUTO position while in the light state, the radio, PRNDL display and passenger air bag switch will stay fully bright. If headlight switch is in PARK LAMP or HEADLAMP position while in the light state, the radio, PRNDL display and passenger air bag switch will dim with dimming control. If headlight switch is in AUTO, PARK LAMP or HEADLAMP position while in dark state, the radio, PRNDL display and 4-wheel drive switch will dim with dimming control.

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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