Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2002 Chrysler 300M BaseFACTORY OEM SERVICE PROCEDURE

Compass/Mini-Trip Computer

The Compass Mini-Trip Computer (CMTC) is a module located with the overhead console. This module displays the following information:

Compass/Temperature
Average Fuel Economy
Distance To Empty
Instantaneous Fuel Economy
Trip Odometer
Elapsed Time
Miles To Service
Tire Pressure Display (300M Models)
Blank Screen

When the vehicle is first turned on:

CMTC blanks the display for a half a second.
Illuminates all segments of the Vacuum Fluorescent Display (VFD) at full brightness for 1.5 seconds.
Displays whatever was being viewed when the ignition was last turned OFF.

The CMTC may also be integrated with the universal transmitter. If so, your CMTC module will have 3 buttons centered together between the outer 4 buttons.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready Tools Compare Repair Quote Quote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.