1. Philips cd150 telefone. I can´t get past the welcom message.... pressing the buttons has no effect. 2. All the user manuals are in any language but english. Can I download an english version from anywhere

Press the "Volume Up" and "Volume Down" buttons at the same time to make the menu appear.

check the user manual
https://www.download.p4c.philips.com/files/7/70pus7505_12/70pus7505_12_dfu_eng.pdf

Philips 435 4-Device Big Button Universal Remote setup
Philips PM435S User Manual Welcome to Remote Central Universal Remote Control Reviews More How to Program Universal Remote Codes for Universal Remotes

Here is your Philips CD-150 English User Manual:
http://www.p4c.philips.com/files/c/cd1503b_05/cd1503b_05_dfu_eng.pdf

Quick Start Guide:
http://www.p4c.philips.com/files/c/cd1503b_37/cd1503b_37_qsg_aen.pdf

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

check the site
www.p4c.philips.com/files/c/cd1503b_37/cd1503b_37_qsg_aen.pdf
or you could purchase from site below
http://www.marantzphilips.nl/Philips-service-manual-pdf/Philips%20cd-150%20service%20manual%20PDF/

To reset the oil monitoring system to 100% after each oil change
[approximately 8 000 km (5 000 miles) or 180 days] perform the
following:
1. Press the SETUP control to
access the System Check function
2. Press and release the RESET
control to display “OIL LIFE XX%
HOLD RESET NEW”.
3. Press and hold the RESET
control for 2 seconds to display “IF
NEW OIL HOLD RESET”.
4. Press and hold the RESET
control to display “OIL LIFE SET
TO 100%”. Your oil life is now reset.

This procedure is on pages 69-70 of your owners manual, this is copied and pasted from that manual

not sure if you got your phone problem fixed . however i had the same problem and to fix it you sit the phone on the base unit of the phone and press the menu button then go to advanced settings and then registeration . enter in 0000 as the pin and then 'waiting' will appear and your problem should be solved.

http://phone.manualsonline.com/manuals/mfg/philips/phone_model_cd150.html

Click on the above and it will take you straight to the manual.

Have a look at this link http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=CD1503B/17&slg=en&scy=US should be the support site for that model of phone
Heres a direct link to the user manual http://download.p4c.philips.com/files/c/cd1503b_17/cd1503b_17_dfu_aen.pdf

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From user manual :

"In case you forget your passcode, follow the steps below to delete it.
1. Select the Advanced menu from the Basic/Custom menu. The Passcode
entry screen will be displayed.
2. Press the SELECT (up) button four times and then press the ENTER
button.
The "Warning Passcode!!" message will be displayed.
3. Press the SELECT (down) button four times and then press the ENTER
button.
The "Warning Passcode!!" message will be displayed.
4. Press the SELECT (right) button four times and then press the ENTER
button.
The "Delete Passcode / Are you sure?" message will be displayed.
Use the SELECT or button to select "Yes" and press the ENTER
button. Your passcode has been deleted."

Here is the user manual

LT260/LT240/LT220 User’s Manual

press bottom left button and then hold down 7. display will show 0-0 to indicate its turned on. 2 to read messages. 3 to skip to next messge. 4 to record your message. 5 to listen to current welcome message. 6 to delete messages. 7 to activate answer machine. 9 to deactivate ans mach. 0 to record internal memo. To use any of these functions bottom left button must be pressed first.