GM Parts Club
Halloween is the single worst night of the year for pedestrian visibility, and most of it happens at dusk in residential streets. Here is what to actually look at, using a 2020-2026 Buick Encore GX as the example.
Body and Exterior
Watch for a hazy or yellowed headlamp lens that no longer projects a sharp cutoff. Not a scheduled item. These are damage and failure replacements.
Mirrors carry cameras, heaters, turn signals, blind zone modules and puddle lamps, and the wiring connector varies by content level.
Glass and Wipers
Watch for chattering or streaking that returns within a week of new blades. Blades every six to twelve months. In North Texas, summer heat kills blades faster than winter does.
Vehicles with rain sensing or heated wiper park use different assemblies.
Sensors, Cameras and Driver Assistance
Watch for a lane keep or forward collision system that reports as unavailable after a windshield replacement. TPMS sensor batteries typically last seven to ten years and are commonly replaced as a set during a tire change.
TPMS sensors have to match the protocol and frequency the receiver expects.
The Short Checklist
- Mirrors: Trim level changes almost every exterior part. Take a photo of the connector on the part you are replacing before you order.
- Wiper blades: Driver and passenger blades are frequently different lengths on the same vehicle.
- Park assist sensors: Painted park assist sensors are ordered in primer and painted to your code. Confirm your paint code before ordering.
Ordering is easiest if you have the VIN in front of you. Head to our Buick OEM parts catalog to shop by vehicle, or search for Encore GX parts to go straight to a part.
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