When the Supplemental Restraint System (SRS) light illuminates on the PT Cruiser's instrument cluster, it is because an error code is being sent to the On-Board Diagnostics computer from a sensor in the airbag system. Error codes are used to diagnose problems with the vehicle. Reset error codes using an OBD scan tool. This hand-held device can be purchased from most auto parts retailer. Ensure you reset the computer after finishing repairs on the airbag system, or risk damaging the vehicle's computer.
Step 1 - Locate the OBD port that is the same shape as the OBD scan tool's connector end. This port can be found on the driver's side dash near the steering column.
Step 2 - Plug the scan tool into this port. Put the key into the ignition and turn it to the "Run" position, but don't start the engine.
Step 3 - Wait for the scan tool to interface with the computer. Locate the "Delete Codes" command and select it. Wait for the scan tool to erase all codes.
Unplug the scan tool and start the engine. Verify the SRS light has turned off on the instrument panel.
TIPS: Most auto parts stores loan out their scan tools for their customers for free.
THINGS YOU'LL NEED: OBD scan tool, Ignition key
WARNINGS: SRS error codes could indicate potential problems with the PT Cruiser's airbag system. Check with a local dealership or service technician before attempting to reset the codes yourself.
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