I have a few questions for my 95 Altima.

1) How do I open/remove the "parcel shelf" at the back??



2) How do I open/remove the front "dashboard"??



3) My engine coolant is at a very low level. Since I don't know which coolant was there previously so do I:-
(a) Flush out the old coolant and put in a new coolant??
(b) Just add any coolant to the old one??

 

95 Altima when started on a cold morning, the automatic choke works to warm it up. RPMs drops to 750 or so. When placed in reverse the engine surges and must be controlled heavily by the brakes. When placed in drive the RPMs drop back to normal. Does not happen every time, but enough to be concerned?? Ideas on cause ?? Thanks Johnnie N. Ratliff