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.
Upper Electronic Module (UEM) (2005-2009): Function: Compass
The compass detects the magnetic pull of the North and South Poles. Using this, the compass calculates the direction in which the front of the vehicle is pointing.
The display in the top right-hand corner of the rear view mirror shows the compass direction. Eight different directions can be displayed, using the abbreviations N, NE, E, SE, S, SW, W and NW.
- N: North
- NE: North East
- E: East
- SE: South East
- S: South
- SW: South West
- W: West
- NW: North West
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.