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.
Telephone mode, function - GF82.85-P-2007PMU
MODELS 203.0 /2 /7 as of 24.4.04 with CODE (528) HIGH Class USA with CODE (388) "Portable CTEL" UPCI telephone system
MODELS 203.0 /2 /7 as of 24.4.04 with CODE (530) COMAND APS USA (with navigation system) with CODE (388) "Portable CTEL" UPCI telephone system
The telephone system can be operated as follows:
- Directly at the COMAND operating, display and control unit (A40/3)
- At the multifunction steering wheel (MFL) in combination with the multifunction display (A1p13) in the instrument cluster (A1)
- With the voice control system (VCS) (code 813)
The telephone radio signals are transmitted and received by the telephone antenna (A2/22) and amplified with the portable CTEL antenna amplifier (A28/2). The display of the COMAND operating, display and control unit (A40/3) shows when the telephone is in its ready status the destination field strengths in 5 grades.
All control signals and useful signals (e.g. sound signals with hands-free system activated) are transmitted via the Media Oriented System Transport (MOST). For this reason, the portable CTEL (A34/6) requires the Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1) as an interface to the Media Oriented System Transport (MOST).
The COMAND operating, display and control unit (A40/3) has the following telephone functions:
- Automatic disabling of telephone card when the Personal Identification Number is entered incorrectly 3 times.
- Direct dialing of the telephone number with the rotary control or number pad, display of name of party being called (when number entered is known).
- Speed dialing: The first 10 numbers stored in the memories can be dialed by pressing one key only; all other memories can be dialed by entering the 3-digit memory location number
- Dialing from lists stored in the memory
- Numbers stored in the memory
- Names (alphabetic)
- List of the last 10 numbers dialed
| Telephone antenna, location/task | GF82.62-P-4105PP | ||
| UPCI control unit (Universal Portable CTEL Interface), location/purpose | with code (388) portable cellular telephone, UPCI system | GF82.70-P-5100PM |
NO RELATED
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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.