The check gauges light should come on if your temperature gauge indicates that your engine is overheating - so that's no problem. The real question is probably 'why is your engine overheating?' Turn off the truck and let it cool down; then fill it with water. Watch for leaks especially around the water pump and radiator. If it holds water, start it up and let the cooling system build pressure and check your hoses and connections. If you don't have (or see) any obvious leaks anywhere, your radiator may need flushed (or replaced), your water pump replaced, your thermostat may be stuck, or you may be losing water through steam escaping from a leaky head gasket (this was my problem!). One other thing that could happen (this happened to me too) is that a seal on the bottom of your engine could be leaking coolant. That can get complicated if it's one that is blocked by the transmission case. Replacing the thermostat will take you 1/2 an hour tops and $10.00 worth of parts. That's a good place to start. If you've never wrenched on your truck yourself, the thermostat is a fairly easy job and a good 'confidence builder'.
The little yellow engine symbol is the check engine light. See related questions below for more information.
That is the check engine light.
When you add engine coolant to a 2003 Jeep Grand Cherokee because the low coolant indicator has come on, you should add to the reserve tank and the radiator if they are low. Sometimes, just the reserve tank needs filled.
The 2014 Jeep Cherokee has an inline 4 engine.
The 2010 Jeep Grand-Cherokee has a V6 engine.
The 2006 Jeep Grand-Cherokee has a V6 engine.
The 2013 Jeep Grand-Cherokee has a V6 engine.
The 2007 Jeep Grand-Cherokee has a V6 engine.
The 2012 Jeep Grand-Cherokee has a V6 engine.
The 2009 Jeep Grand-Cherokee has a V6 engine.
The 2014 Jeep Grand-Cherokee has a V6 engine.
The 2011 Jeep Grand-Cherokee has a V6 engine.