read the owners manual
usually the brake fluid reservoir is clear and therefore you will see the level of the fluid. if not the lid will have a level indicator.
Low brake fluid level or a stuck brake fluid level sensor. Check the brake fluid level and if it is ok, tap on the master cylinder reservoir with your finger
Look at the level in the brake fluid reservoir.
To check and see if your brake fluid level is low, locate the brake fluid reservoir. If the level of the fluid does not reach the 'full' line on the reservoir, add some.
The way to check the level of your brake fluid is to remove the cap on the brake fluid reservoir and read the dipstick. There may also just be a line on the reservoir that says 'Full.' If your brake fluid does not reach that level, add type DOT 3 brake fluid.
Check Hanbrake, Brake fluid level and Clutch fluid level. It could be any of the three.
Check to see if the brake fluid level in your brake master cylinder ( in your engine compartment ) is low , if the brake fluid level is low or your parking brake is on the brake light in your gauge cluster will come on
In a 2002 Ford Explorer Sport : You check the brake fluid LEVEL in the brake fluid reservoir in the engine compartment . It is on the drivers side of the vehicle , near the firewall ( that's the metal wall that divides the engine compartment from the passenger compartment ) It is a plastic reservoir that allows you to check the brake fluid level just by looking ( you only need to remove the cap if the brake fluid level is not up to the full mark and you are going to add the DOT 3 brake fluid that is required
Check your brake fluid level!
check you brake fluid level.
The Toyota Sienna should have high and low marks on the side of the brake fluid reservoir. Check to see that the fluid level is between the two marks.
To check the brake fluid level on a 99 Subaru Forester, you need to open the hood and locate the brake fluid reservoir. This is located on the master cylinder. There will either be a dipstick in the reservoir, or a line embossed on the side that says 'full.' If needed, add DOT 3 brake fluid.