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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1331 (OBJECT DETECTION SYSTEM)REPAIR INSTRUCTIONSVEHICLE DIRECTION ALERT ALARM WARNING MODULE CALIBRATIONCALIBRATION PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Calibration Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Calibration Procedure
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Conditions to complete the self-calibration procedure:

  • Operating the vehicle at 35 mph or more
  • Clear stretch of straight road
  • Visible references (lane markings, curb, guard rail, etc.)

One or more of the following conditions may increase the length of time required to complete the self-calibration procedure:

  • Operating the vehicle at 19 to 38 mph
  • Curves in roadway
  • Driving through snow, fog, or driving at night or directly into the sun
  • Bott's Dots type lane markings
  • Poor contrast lane markings

Conditions that will prevent completion of the self-calibration procedure:

  • Operating the vehicle at less than 19 mph
  • No visible lane markings

When the VDAAW system is in calibration mode, the amber light in the IPC will remain illuminated. When the calibration is complete, the amber indicator will turn green, indicating the system is ready to assist.

If the VDAAW system is disabled with the VDAAW switch, the amber light will turn off. The system will still run the calibration procedure in the background.

Immediately after the self calibration procedure, there may be a delay in lane crossing alerts. The VDAAW system will run further calibration tests as the vehicle is driven in order to improve performance.

RENDER: 1.0x

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When to See a Mechanic

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

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