How to add water to your car: hot topics and structured guide on the Internet in the past 10 days
Recently, discussions about vehicle maintenance have become increasingly popular on major social platforms. In particular, "how to correctly add water to the car" has become the focus of attention among car owners. This article combines hot topic data from the entire Internet in the past 10 days to provide you with a detailed guide to refilling vehicles, with structured data attached for easy reference.
1. Top 5 popular vehicle maintenance topics on the entire network (last 10 days)

| Ranking | Topic keywords | Number of discussions (10,000) | main focus |
|---|---|---|---|
| 1 | Antifreeze replacement cycle | 28.5 | Winter maintenance misunderstandings |
| 2 | How to add glass water | 19.2 | Different climate formula options |
| 3 | Electric vehicle cooling system | 15.7 | Differences from traditional vehicles |
| 4 | Emergency treatment for boiling water tank | 12.3 | Coping with hot weather |
| 5 | Wiper water DIY recipe | 8.9 | Environmentally friendly and low-cost solution |
2. Guide to the whole process of adding water to vehicles
1. Clarify the type of water added
The fluids that need to be filled in vehicles mainly include:
•coolant(antifreeze)
•glass of water(wiper water)
•battery water(Only applicable to traditional lead-acid batteries)
2. Specifications for adding water to the cooling system
| step | Operational points | Things to note |
|---|---|---|
| 1 | Operating under cold conditions | Avoid burns caused by high temperature steam |
| 2 | Find the auxiliary water tank (expansion tank) | The logo is usually "COOLANT" |
| 3 | Keep the liquid level between MAX-MIN | Exceeding the MAX line needs to be removed |
| 4 | Use specified type of antifreeze | Different colors cannot be mixed |
3. Key points for filling glass water
• In northern regions, -30°C antifreeze type should be selected
• Shellac can be added in summer
• Avoid using tap water instead (easy to produce scale)
3. Answers to recent hot questions
Q1: Do electric vehicles need to be filled with water?
According to Tesla's official community discussion (updated in August), the electric vehicle battery cooling system adopts a closed design, and users are not allowed to refill it by themselves, and the coolant stock needs to be checked regularly.
Q2: Can mineral water be used instead in an emergency?
A poll from a car forum showed (32,000 participants):
• 82% of users are opposed to using water as a substitute for coolant
• 57% accept temporary replacement of glass water
• Expert advice: For emergency use only, the system needs to be thoroughly cleaned afterwards.
4. Maintenance cycle recommendations
| liquid type | Replacement cycle | Check frequency |
|---|---|---|
| coolant | 2 years/40,000 kilometers | 1 time per month |
| glass of water | Add after use | Weekly inspection |
| battery water | Maintenance-free, no need to add | Testing every six months |
5. Special reminder
According to Douyin’s #carknowledge topic data (180 million views), 90% of vehicle fluid filling errors stem from:
1. Add glass water to the coolant port by mistake
2. Mix different brands of antifreeze
3. Ignore the liquid level measurement when the vehicle is tilted
It is recommended that car owners collect the structured data in this article and check it regularly. In case of complicated situations, you should contact the professionals of the 4S store to handle it in time.
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