Set button

[missymckay]

Hi

I have just picked up my car today and an amber light came on that looked like the symbol on the set button. I read somewhere this is to do with tyre pressure. Is this correct?

Also, dumb question I know, but what should the tyre pressure be, I have the 18 inch Monza (I think they are called that) alloys.

Thanks

[th3_f15t]

I had the same thing on my Golf when I picked it up, if it looks like an exclamation mark in brackets (.!.) then it's tyre pressure sensor. I would go check all pressures and ensure they are correct. Once you've set the correct pressures, turn the ignition on and hold the button down for a few seconds and the light should disappear. If it does not, then there may be a fault somewhere.

I think that pressures are listed in your handbook, but are also available online. It's normally something like 29 PSI or 2.0 BAR all round for 18's but I run different pressures dependant on the seasons (lower in the summer to allow for the extra heat).

[missymckay]

Thanks for that, i'll have a look online for the pressures as I didn't get a handbook

[Rhyso]

Try inside of the fuel filler cap 

[dubber36]

This type of tyre pressure monitoring can trigger false alarms. It works using the wheel speed (ABS) sensors, to measure the speed of the wheels relative to each other. If a tyre deflates, it's overall diameter reduces, therefore the wheel will turn faster. This could happen if one wheel spins due to loss of traction, but in theory the ESP will recognise that and tell the TPMS that it's got the job under control.

On very odd occasion, you can hit a bump in the road, or something that makes one wheel turn a little faster and the ESP won't pick it up. This will put the TPMS light on. Bloody frustrating, as even tho' the car feels fine, you get that nagging doubt and have to stop and check the tyres before resetting the system.

[missymckay]

Thanks dubber36 for explaining how it works, interesting stuff This is the first VW I have had so not used to all the high tech stuff especially coming from driving Fords for the past few years