Hi nrets,
Thank you for the donation.
The speedometer working erracticaly is most probably due to a faulty speed sensor. This would also cause improper transmission shifting and driving is affected.
As to the rear power doors, they should be a separate problem and might be due to control unit or adjustments. This is quite a delicate job and I would suggest getting it done ONLY by someone who knows the system as any error during repairs might be costly.
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Thursday, October 16th, 2008 AT 5:00 PM