Light keeps coming on the dashboard of mini cooper is a yellow semi circle open at the bottom with an exclamation in the middle

The "Check Engine Light" could be something major, or something as minor as a loose
gasoline filler cap. The only way to know is to find someone who can attach an OBD-II code reader
to your car's ODB-II computer port and talk to your car's on-board computer,and ask it what it thinks
is wrong.
Also, the "Yellow light with the triangle that has an exclamation mark in the middle and a circle going around" could be the SES light (Service Engine Soon), which could mean that everything is fine with the car, except the SES light needed to be reset at the 3400Km oil change, but it wasn't.
In the U.S., Pep Boys and Advance Auto Parts are national parts store chains that will read the ODB-II codes setting your "Check Engine" light free - don't know who will do this free in Canada/U.K., though.

Check your tire pressure. One of your tires has lost enough tire pressure to trigger this alarm. It could also be a puncture by nail or something. Once you've checked your tire pressures and set them all to desired pressure (30psi - depending on tire model and passenger occupancy) you can reset this alarm by pressing and holding down the button (apprx. 10 sec) located on the front of base of the emergency brake (same symbol on button as alarm). Blinking yellow light will stop blinking and stay on (this is when you can stop pressing the button), but eventually, shortly dissappear. I think the alarm is triggered by a difference of 4-6 psi which can aso be affected by climate change (warmer to colder season or visa versa).

front brake pads need replacing NOW.......(think about how brake shoes work.....)

Are refer to the Brake System; in RED and YELLOW condition, continue driving cautiously:





More details about this Warning Lights you can find in the 2003 Mini Cooper - Owners Manual (page 16 and next).

I really hope helps with this (remember rated this help) Good luck.

its your run-flat tyre light.. it means you might have a flat or deflated tyre, but if all your tyres seem fine it could be your ABS system, get it checked by an auto electric guy as opposed to a mechanic - advice: dont go to the dealer!!! they are a rip-off...

its the tyre pressure monitoring system...check for a deflated tyre

BRAKES! Replace your brakes NOW. You have less than 2MM of pad lining on (most likely) your front brake pads. No brakes, no stop. No stop, no MINI.

That should be your handbrake light

if that "Circle" is a sort of round-bent arrow shape around "!" mark, you either have ASC or DSC disabled manually (by pressing the "DSC" button on your console", or there is a problem with the system.
Take your to the dealer. Specialized MINI/BMW computer should be able to diagnose it right away. Can be a costly repair

by the way its explained it sounds like a brake fluid light, all the bmw's and mercedes have lights like that so id have your brakes looked at. hopefully this helps