Today I got to work, got out of the car and the key would not lock the doors. I tried and tried. I then opened the door and checked the car battery resting voltage which was 13.3. I put the key in the ignition and the steering unlocked as normal, I then turned the key one click and then back and removed it. I then closed the door and the doors locked fine. Don't know what to make of this.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra