GM bulletin 25-NA-027
What it saysThis service bulletin provides service procedures to correct Windshield Wiper Arm Clearing and Interference Concerns. NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Feb 7, 2025, received Feb 19, 2025, about the visibility/wiper. It names 3 model years across Chevrolet and Cadillac (2024–2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
One page for every brand it was filed under. Each brand’s bulletins: Chevrolet · Cadillac.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis service bulletin provides service procedures to correct Windshield Wiper Arm Clearing and Interference Concerns.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 25-NA-027 | Service bulletin | Feb 7, 2025 | 11014352 | PDF, 186 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themChevrolet 2 model years
Cadillac 1 model year
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 3 model years this bulletin names have filed 589 complaints with NHTSA since 2015. 171 of them name Visibility/Wiper — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
Intense glare of the dashboard onto the windshield while driving. I don't know if it's due to the type of plastic the dashboard is made out of, or the grade of glass the windshield is, or both, but the glare the dashboard puts on the windshield is SEVERE and happens at ALL times of day, regardless of the car's orientation towards the…
2024 Chevrolet Equinox · Visibility/Wiper · filed with NHTSA Oct 23, 2024
The windshield has a defect on the right hand side. It seems like blurry waves. I noticed it because I got nervous thinking that there were cars riding next to me very close but it is just a glare from the defect
2025 Chevrolet Equinox · Visibility/Wiper · filed with NHTSA May 24, 2025
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the visibility/wiper
Source: same model, same component group8 other manufacturer communications filed against these GM models under the same component group (visibility/wiper), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| N252534680 | Service campaign | Jul 16, 2026 | Customer Satisfaction Program. Certain vehicles listed above may experience delamination from the foam windshield seal in higher temperatur… |
| 25-NA-045 | Service bulletin | May 6, 2025 | This service bulletin provides a procedure to correct the condition of Wiper Arm Chatter Concerns. |
| 24-NA-164 | Service bulletin | Mar 20, 2025 | This bulletin provides information on Wiper Blade Maintenance Tips. |
| N252492430 | Service campaign | Mar 18, 2025 | Certain vehicles may have a condition in which the heated windshield wiper park is inoperative. Dealers are to reprogram the Lighting Contr… |
| 24-NA-259 | Service bulletin | Nov 27, 2024 | This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air. |
| PI0754G | Service bulletin | Jul 31, 2024 | This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| PIT5099G | Service bulletin | Sep 26, 2023 | This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows… |
| N222381840-01 | Service bulletin | Apr 27, 2023 | Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the side blind zone alert feature is not functional on cert… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet and Cadillac, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GM 25-NA-027 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 25-NA-027 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does 25-NA-027 cover?
The manufacturer filed it against 3 model years across 2 brands (Chevrolet and Cadillac): 2025 Cadillac Optiq, 2025 Chevrolet Equinox, 2024 Chevrolet Equinox. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.