We just purchased a pre-owned 2002 Dodge Caravan and there is a red light always lit on the extreme left of the dash board over the heat vent.
Do you know what this light is and if it should always be lit? We checked the owner's manual and do not see any mention of this light.
Certain Caravans are equipped with factory alarm and ignition disable systems, referred to as the Vehicle Theft Security System (VTSS) and the Sentry Key Immobilizer System (SKIS). Basic operation should be explained in your owner's manual.
The VTSS and SKIS systems share an LED (light emitting diode) indicator lamp located in the Message Center at the lower portion, right side of the instrument cluster. The light remaining on at all times indicates a failure in the system which will require a technician with a scan tool and the appropriate service information to diagnose and repair.
But you said the light was located on the "extreme left of the dash". If so, it may be an LED indicator lamp for an aftermarket alarm system. Look for a small push-button or a toggle switch mounted inconspicuously under the dash. That's the "alarm override" or "valet" switch.
Typically when the LED indicator remains on continuously, that signifies the system being in valet mode or completely disarmed. Don't touch the button before identifying and learning the proper operation of the system. It may get you into an awkward position with sirens wailing and a big question mark over your head.
Ask the previous owner if they know of the system and/or have any documentation or remote controls. If not, you, or someone tool-handy, can drop the left side lower dash panel, and locate the alarm system's control module. Hopefully you can identify the system by brand and model number, which will help you get hold of the correct operation manual and any needed accessories.
If you want to simply disable the system entirely, be careful, and be sure it's done correctly to avoid any unwelcome surprises.