The back door can be locked/unlocked and opened/closed by the following procedures.
Automatic door locking and unlocking systems
Locking and unlocking the back doorTires and wheels
Type a
Type b
Type c
Type d
Type e
Type f
When towing a trailer (245/55r19 103t tires)
On rear tires, add 1 psi (10.0 Kpa, 0.1 Kgf/cm2 or bar) to the recommended
tire inflation pressure and drive at speeds below 65 mph (104
km/h). ...