In your dash instrument panel. If you are talking about the fuel level sensor, which tells your indicator what to display it is in the tank with the fuel pump.
bad sensor
On a 2004 Pontiac Grand Prix the oil level sensor is located on the Oil Pan directly underneath the Air Condition Compressor.
The fuse panel in a Pontiac Montana is located in the passenger door. It is located on the same level as the glove box.
It is located three to six inches down on the passager side of the raditator... below the raditator cap. hope this helps...
I'm unable to show pictures, but I can describe it for you. In a 2000 Pontiac Grand Am, the dipstick for the engine oil is typically located near the front of the engine, on the passenger side. It usually has a yellow or orange handle for easy identification. Simply pull it out to check the oil level.
On a 2004 Pontiac Grand Am, the transmission dipstick is typically located near the back of the engine compartment, on the driver's side. It is usually marked with a yellow or red handle for easy identification. To check the transmission fluid level, ensure the vehicle is on a level surface, and the engine is running while you pull out the dipstick, wipe it clean, and reinsert it to check the fluid level.
check antifreeze level
A water level indicator shows how high the water is.
Check the brake fluid level, check for air in the system, check the pad level, check the discs for scoring.
On a 2003 Pontiac Grand Prix, the power steering reservoir is located on the driver's side of the engine bay, near the front. It is typically positioned near the engine, close to the intake manifold. The reservoir is usually a translucent plastic container with a yellow cap labeled "Power Steering." Make sure to check the fluid level when the engine is cold for an accurate reading.
The 2001 Pontiac Grand Am minimum brake rotor thickness is .075. The minimum brake rotor thickness is a standard minimum. Certified mechanics cannot use the brake rotor when the thickness drops below this level.
The oil level indicator in a transformer is used to show the oil level.