···
Log in / Register

How to Read the Production Date on Car Glass?

6Answers
HadleyLynn
07/29/2025, 07:22:13 PM

The production date of car glass is located on the trademark in the corner of the glass, consisting of several dots and a number. More information about the production date of car glass is as follows: 1. The number represents the production year of the car glass. If the dots are on the left, it indicates production in the first half of the year, while dots on the right represent production in the second half. By analyzing the number and black dots on the trademark, you can determine the production date of the car glass. 2. The date code on the glass has only one number, representing the last digit of the year. For example, the number 8 stands for 2008. 3. The production date of the glass and the vehicle will not differ by more than ten years. The production month of the car glass can be analyzed and determined by the black dots before or after the number.

Was this review help?
101
Share
OliveLynn
08/15/2025, 09:55:12 PM

After years of driving, I've found that the glass date can tell us the production time, which is quite practical. Usually, in the corner or edge of the car's windshield, if you look carefully, you'll see a series of small dots plus numbers. The numbers typically represent the last two digits of the year, for example, 22 stands for 2022. The dots represent the month, one dot for January, two dots for February, and so on up to 12 dots for December. Once when I bought a used car, the older glass date alerted me to overall aging, and I almost got into danger, so I quickly replaced the windshield. I suggest checking it during regular maintenance, as old glass is prone to cracking and unsafe. Additionally, the code locations vary by car brand, and you can find the number-dot combination on both the windshield and side windows—it's very simple.

Was this review help?
8
Share
Expand All
VonKing
10/18/2025, 04:26:08 AM

As a car glass enthusiast, I have to say identifying the production date is straightforward and fun. You just need to look for the small marking area in the four corners of the glass, usually consisting of dot patterns and numeric codes. Numbers like '18' represent the year 2018, while the number of dots corresponds to the month: three dots mean March, five dots mean May, and so on. I always check this first when inspecting a car because it helps determine how old the glass is. Older glass tends to be weaker, and flying debris at high speeds can be dangerous. I remember the last time I helped a friend repair their car—the glass date was too old, so we checked the overall vehicle condition and performed timely maintenance. Remember, the codes are clearly visible; just wipe them clean with a cloth, and you can see them clearly without spending much time.

Was this review help?
15
Share
Expand All
Alexia
12/01/2025, 09:13:45 PM

Let me share a simple method. The production date of car glass can be identified by the corner markings. The numbers represent the year, such as 19 or 2019, while the dots indicate the month, with 1 to 12 corresponding to January to December. When you wash your car yourself, take a moment to check the location, which is usually at the bottom right corner of the front windshield. This is useful because the lifespan of glass is about ten years, and older glass has a higher risk of shattering. I've seen many people overlook this and only discover the issue when replacing it.

Was this review help?
5
Share
Expand All
McAllison
01/21/2026, 10:37:28 PM

Checking the glass date is crucial for driving safety. Typically, there are numeric dot markings on the edge of the glass. For example, the number '20' represents the year 2020, and seven dots represent July. I often remind my friends to pay attention to this detail, as old glass is prone to cracking under high temperatures. For instance, when a car is parked outdoors in summer, the glass heats up quickly, accelerating aging. During maintenance, take a minute to check the code position—it's usually standardized by the glass manufacturer and easy to understand. Early detection and replacement can help avoid risks.

Was this review help?
5
Share
Expand All
StCaroline
04/17/2026, 10:41:51 PM

Identifying the production year of glass is quite simple—just look at the dot code in the corner. The numbers represent the year in two digits, e.g., '15' means 2015, while the number of dots indicates the month (one dot for January). I usually check the glass date during routine car maintenance, as older glass may lose strength and compromise safety. It's recommended to inspect it every six months, especially when buying a used car. If the glass is over ten years old, consider replacing it for peace of mind. The dot markings become clearer after cleaning.

Was this review help?
1
Share
Expand All
More Q&A

What Are the Hidden Features of the Baojun 510?

The hidden feature of the Baojun 510 is the keyless entry system, also known as the smart key system. When the owner enters the sensing range of the key system, the central locking control system starts working and emits a wireless query signal. Once the smart key card responds correctly, the car locks automatically open. Taking the 2021 Baojun 510 1.5L Manual Enjoyment model as an example: this car is manufactured by SAIC-GM-Wuling, classified as a compact SUV, with a gasoline energy type, a 6-speed manual transmission, a 5-door 5-seat SUV body type, and a top speed of 170 km/h.
110
Share

How to adjust the time on Octavia?

The instrument panel of the Octavia has a black button. When the time is displayed, press and hold it (about 3 seconds) until the display flashes, then press it briefly to adjust the hours. Press and hold it again (about 3 seconds) until the minutes flash, then press it briefly to adjust the minutes. Press and hold it again (about 3 seconds) or do not press it to return to the normal time display, indicating that the time has been set. More related information is as follows: 1. The latest SAIC Skoda Octavia 1.5L National VI version is equipped with a 1.5L engine that meets the National VI emission standards, with a maximum power of 83kW (113PS) and a peak torque of 145N·m. 2. In terms of appearance and configuration, it is the same as the current National V model. The entire series comes standard with ESP electronic stability system, HHC hill start assist, engine start-stop, and other configurations. In addition, except for the entry-level model, all other models are equipped with a 9-inch central control LCD screen multimedia system.
107
Share

What are the differences between the Passat Government Procurement Edition and the Premium Edition?

The differences between the Passat Government Procurement Edition and the Premium Edition are: 1. Different powertrains: The Passat Government Procurement Edition is equipped with a 1.8L naturally aspirated engine, with a maximum power of 118kW and a maximum horsepower of 160PS; the Premium Edition is equipped with a 1.4T turbocharged engine, with a maximum power of 110kW and a maximum horsepower of 150PS. 2. Different curb weights: The Passat Government Procurement Edition has a curb weight of 1520kg; the Premium Edition has a curb weight of 1495kg. Both the Passat Government Procurement Edition and the Premium Edition have the same body dimensions: length 4872mm, width 1834mm, height 1484mm, and a wheelbase of 2803mm.
113
Share

What is the difference between the Corolla Sport and Elite editions?

The difference between the Corolla Sport and Elite editions lies in their powertrains: The Corolla Sport edition is equipped with a 1.2T turbocharged engine, delivering a maximum power of 85kW and a maximum torque of 185Nm; the Elite edition comes with a 1.5L naturally aspirated engine, producing a maximum power of 89kW and a maximum torque of 148Nm. More details are as follows: 1. Both the Corolla Sport and Elite editions share the same body dimensions: length 4635mm, width 1780mm, height 1435mm, with a wheelbase of 2700mm. 2. Both models feature a fuel tank capacity of 50L, a trunk capacity of 470L, a curb weight of 1330kg, and a body structure of a 4-door, 5-seater sedan.
105
Share

What are the differences between the old and new models of GS4?

Here are the differences between the new and old models of Trumpchi GS4: 1. Styling: The new Trumpchi GS4 has modified the front face and rear of the car, adding LED light sources. 2. Body dimensions: The new Trumpchi GS4 is longer than the old model, with the same width and an increased height of 8mm. 3. Features: The new Trumpchi GS4 is equipped with the new generation of artificial intelligence system jointly developed by GAC Trumpchi and Tencent. 4. Roof design: It retains the floating roof design and offers an optional all-black roof to further enhance the sense of fashion.
107
Share

Why does the Corolla feel sluggish and lack acceleration when refueling?

Corolla feeling sluggish and lacking acceleration may be due to a clogged catalytic converter. Below is an introduction about the Corolla: 1. Introduction to the Toyota Corolla: The Corolla is the tenth-generation straight-line upgrade of the Toyota COROLLA. Since its launch in November 2017, the Corolla has garnered attention from consumers worldwide. Now, this globally best-selling car is produced by FAW Toyota, allowing Chinese consumers to experience Toyota's latest technology and driving experience simultaneously. 2. Overview of the Toyota Corolla models: Its biggest advantage is low fuel consumption; it offers a comfortable ride with smooth driving; the interior is ergonomic with rich configurations. The main drawbacks include frequent issues such as burning oil, deviation, abnormal noises, and circuit problems. Recently, many users have reported problems mainly concentrated on the universal joint and in-car CD faults, questioning potential design flaws in components like the steering gear. Additionally, the brakes are somewhat soft.
112
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.