Yellow warning light Audi A4

https://www.justanswer.com/audi/1qbl7-warning-light-showing-yellow-circle-triangle.html

Read your owners manual on how to set or clear your speed warning. There is nothing wrong with your car.
IIRC, the speed warning is zeroed by holding down the left instrument cluster button for more than one second when the vehicle is moving faster than 3mph. The icon will show with a diagonal bar through it indicating the speed warning is turned off.

It's an yellow warning indicator lamp. It lights when brake pads are weared. Now it's time to replace the used brake pads!

It's an yellow warning indicator lamp. It lights when brake pads are weared. Now it's time to replace used brake pads!

It's no.# 1 to warning speed alert. There are two warning speed.

You have set up in yours bord computer a speed alert (mph) Nr.1 !

It's a programmable speed warning. Your owner's manual will describe how to cancel, adjust, or reset it.

I believe this is your speed warning light. It appears that the car was programmed to trigger this when the car hit a certain speed. This feature was designed in case one wasn't paying attention to the speed.

This is the brake pad warning symbol. You need to change either the front or rear pads, and replace the sensor.

Check ther coolant level, if this is ok, its possible the sensor on the coolant resevoir faulty. the other warning light sounds like the brake pad warning light. is the warning yellow?