Because the oil is low.
When there are beeping noises and the check gauges light on a Jeep Grand Cherokee Laredo it means there is a problem. The vehicle will need to be stopped and all of the fluids need to be checked immediately.
How to change the brake switch on a 2004 Jeep grand Cherokee Laredo
How do you install passenger tail light kit for a 2004 grand cherokee?
The check engine light would be illuminated and TPS related codes would be confirmed and/or pending.
Check engine light. It means there is a problem with the emissions system. Take it to the dealer for repair.
You will have to get the engine scanned and the necessary repairs made. Then the check engine light can be cleared. Just to clear the light without the repair will result in the light comming back "on."
parking break is on or low break fluid
check to see if all vaccum fittings are attached to the side of the intake manifold
The distributor is set to zero with a scan tool. It is not done with a timing light.
The code can be cleared by unhooking the battery. The light will return if the failure is not repaired.
Check the bulbs in case they have fused, next check the fuse, and finally it could be the brake light switch which may need replacing
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.