For any sedan/car the "Deck or Deck Lid" means Trunk.
No.
underneath the brake pedal
No.
It is under the dash, just above the brake pedal.
The sebring convertible handles just fine in the winter it is also warm when the eater is on low
It is behind the rear seat.
5W30
under the passengers seat
You can use a scan tool or unhook the battery after repairing the cause of the fault.
You have to remove the fuel tank.
Timing belt.
The engine computer is the voltage regulator.