Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSGMC2019SIERRA 1500 LIMITED BASE, 4WD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASPARKING ASSISTANCE SYSTEMSREPAIR INSTRUCTIONSFRONT PARKING ASSIST ALARM SENSOR REPLACEMENT (CENTER)REMOVAL PROCEDURE

2019 GMC Sierra 1500 Limited Base, 4WD, Gas

Removal Procedure

2019 GMC Sierra 1500 Limited Base, 4WD, GasSECTION Removal Procedure

Access the front parking assist alarm sensor from under the front impact bar.
Disconnect electrical from the front object alarm sensor.
Lift the locking tabs on the housing and remove the front object alarm sensor.

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.