The light is on because there is a failure. You need to have the system checked for codes to know the possible causes. When the failure is repaired the light will clear itself.
A 2002 Jeep Wrangler does not have a reset switch.
A person can rest the check engine light on a Jeep Wrangler by disconnecting the battery. This will also rest other warning lights on the dash.
Jeep does not have reset switches.Jeep does not have reset switches.
The 2008 Jeep Wrangler has 12 valves.
The 2008 Jeep Wrangler has a V6 engine.
The 2008 Jeep Wrangler has overhead valves (OHV).
The 2008 Jeep Wrangler is a gas-powered vehicle.
The 2008 Jeep Wrangler has a 6-speed manual.
A 2008 Jeep Wrangler has a 3.8L V6 engine.
NO
With a scan tool or with a battery disconnect.
The airbag light stays on when the computer has detected a malfunction and set a code. The light can not be reset until the failure is repaired.