Questions tagged [car]

A car is a wheeled, self-propelled vehicle. Normally, a car has 4 wheels and is designed for the transport of passengers. Depending upon locale, cars may also be called 'autos.'

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6answers
28k views

Adding a additional battery to car

I have purchased a brand new Toyota Innova. I need to install a a mac mini, 2 laptops and make this car a mobile office. I need to know if I can install another car battery in parallel, and will ...
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1answer
132 views

Suzuki Aerio '06 5-door wagon — roof rack for factory mounting points

I've never dealt with roof racks of any kind in the past. Not for Suzuki nor for any other car. That's why I'm having a hard time finding what will work for my Aerio '06 SX (5 door wagon). I ...
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5answers
18k views

Can cats leave scratch marks on cars?

I live in an apartment complex with some stray cats. I have multiple sets of scratch marks on the side doors of my car. I am unsure if these are from cats or from someone keying my car. Is it possible ...
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6answers
2k views

What clues are there to identify real mileage?

This is a bit theoretical question, maybe viable for a wiki. Suppose you want to buy a 10yo car and among available deals you see one with suspiciously low mileage (e.g. 5'000 km). Seller assures you ...
4
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1answer
301 views

In the US, how do I tell if a car is in good condition?

Say I am planning to buy a used car in the US. How do I judge the car is in good condition? Are there a specific set of documents I should ask for? What are the tests I can conduct before deciding ...
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2answers
92 views

Parked car causing fire

Scenario: There is a parked car in a garage, that's been unused for a month and has the negative side of the battery disconnected. Car is from 2001. Could the battery explode? Or could the car cause a ...
6
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2answers
3k views

How does the speedometer on my dash actually work?

So pretty much everyone knows what a speedometer is, the thing on your dash that tells you how fast you are going, whether or not you're speeding, and what speed you have the cruise control set to (...
7
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3answers
27k views

What are all the different types of fluid in a car and a short summary of their use?

A fluid is defined as anything that flows, hence for our purposes a gas or a liquid. I know that there is fuel, engine oil, engine coolant and brake fluid. Also air is normally taken in through a ...
6
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1answer
2k views

Why is my car so icy in the winter?

The car is a 2004 VW Passat B5.5. The last few days have been colder than usual where I live (below 0 degrees Celsius). The outside of my car has been covered in ice in the mornings and I use a ...
0
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2answers
96 views

Can I shift to neutral when driving? [closed]

Many questions on if we should shift to neutral when at stop lights. But I've developed a habit to shift to neutral when going downhill or far away approaching a stop light to avoid unnecessary speed-...
12
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2answers
6k views

Losing coolant fast after just fixing radiator

I have just got my coolant tank and radiator replaced after a leak in the radiator and a cracked coolant tank. I filled the coolant tank last month and now it is nearly empty. I am just wondering if ...
8
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1answer
951 views

How do old cars actually lose horsepower?

I have heard that when a car gets old it slowly but surely loses its horsepower to some degree. For example, I used to drive a 1997 Ford Fiesta with a 1.25L 1242cc engine that supposedly produces a ...
8
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2answers
3k views

What is the purpose of a microphone placed at rear view mirror?

I just bought a used Chevy Impala 2005 and it has a microphone placed at the rear view mirror and its wire goes inside the hood. I don't know where it goes and I have no idea how to find its purpose. ...
7
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6answers
15k views

Why do Diesel engines have a higher compression ratio than gasoline engines?

Are Diesel engines constructed differently, so that they have a higher stroke volume? (longer stroke, smaller combustion chamber etc.) I know the main differences between Diesel and Gasoline engines(...
6
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3answers
1k views

Filling the tires with something other than air, to avoid puncture hassles?

I'm asking because: - I've had flat tires four times in two years and it has been very annoying. - The entire family of an acquaintance died when their car tire burst and the car turned turtle on a ...
6
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1answer
2k views

What is the effect of the throttle body on the power curve produced by the engine?

I heard from another member of this community that the throttle body, among other things, has the ability to change the power curve of the engine. What exactly is a throttle body? How might the ...
5
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3answers
2k views

Multimeter to check car battery current

short background, my car battery will often be too flat to start the car if I don't use it for about 48 hours. Worst it happened the other day after leaving it at airport car park for 4 days and come ...
4
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1answer
236 views

Poor battery condition, replacement required! Or is it?

I drive a 2004 VW Passat B5. Recently, my insurance company came round to fit a black box to my car as part of the terms and conditions of my car insurance policy. Whilst they were doing this they had ...
3
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1answer
183 views

Car engine coolant system (radiator cap) air

I have only one question! So what I've heard, it's bad to have air left in the coolant system! So my question is, can air get inside the coolant system if I just take off the radiator cap to check ...
3
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5answers
14k views

Ticking noise in a 2011 Corsa SXI at 54000 miles

I currently have a 2011 Corsa SXI 1.4 Petrol sitting at 54000 miles. I recently purchased this about a month ago and had noticed that there is this mysterious ticking noise. Startup No ticking sound ...
3
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2answers
927 views

2004 VW Passat B5.5 - Why are my wing mirrors being weird?

Today whilst I was trying to park my 2004 VW Passat B5.5, I noticed that something to do with my wing mirrors wasn't working quite right. When the toggle was on the left position, the left wing mirror ...
2
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0answers
63 views

second battery for entertainment system

I have installed an Android entertainment system in my car. The problem is that it gets activation signal through ACC line and it turns off while cranking the engine. I will use the ignition line to ...
2
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2answers
2k views

2004 x3 BMW heater blows cold air when stopped or idling

Heater only works when moving blows cold air when stopped or idling
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2answers
2k views

How is ground clearance measured?

I have a 2002 Honda Accord, which has a stated ground clearance of 6.2 inches. I am looking to replace it with a small SUV/crossover and was looking at a Hyundai Tucson. But when I google the specs I ...
1
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3answers
20k views

I have 5th gear issue , can i drive in 4th gear at 100km to 115km?

My car scares me while changing gear from 4th to 5th gear because it goes to 3rd gear. As a result on highways i get scared to change to 5th gear. Can i drive my car in 4th gear at speed range ...
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3answers
229 views

I accidentally put about 3/4 of a quart to much of oil in my car

Would this do any damage to my car? It is a 3.8 v6 Pontiac Grand Prix.
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1answer
103 views

How to find out if my car AC needs extra oil and how much to top up?

My car AC has been dead for a couple of years now and I was wondering the following things: How could that affect the AC oil level? Is there anything I should be worried about considering my AC ...
0
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1answer
191 views

Downsizing rims from 14“ to 13”, what is the optimal tire size?

My car: Suzuki Celerio (EU/India) / Alto (Asia) 2010 mdl. Hi, I'm downsizing from a r14 rim size to a r13. Current tire size is 155/65/r14 and that is the OEM size. My current rim spec is 14x5.5 et38 ...
0
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1answer
68 views

310 watt light bar 12 awg wire harness

I am currently looking at a 32 inch 310 watt LED light bar for my 2010 Honda CRV. The light bar I am looking at is https://www.amazon.com/dp/B07MCNYXFT/ref=cm_sw_r_cp_apa_i_JpKPDbTR3J8R4. The ...
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1answer
111 views

Clean car and look like brand new

How can I clean my car which will show like brand new, i have tried a lot by trying with different different clothes and different different tricks but result is same like as it was previously . ...