Saturn S Series Sedan Questions

My 2001 SC2 has issues with shifting into Reverse and Drive when ...

My 2001 SC2 has issues with shifting into Reverse and Drive when it is cold out. Also, now it feels like its going to stall when I break. What could be causing this? Is the transmission going? Is there any way to fix this? The car has 166K miles, and I don't want to put too much money into it, but don't want to buy another car for at least another 9 months. HELP!

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staurn sl2 automatic sutck in 3rd gear, when this happens, the radio dont work, the electric door locks dont work, and the rear defrost dont work, changed battery but no change