Mazda 6 Service Manual: No.7 slow return to idle

No.6 cranks normally but will not start

No.8 engine runs rough/rolling idle

Other materials:

Mazda 6 Service Manual: Using Automatic Locking Mode (Some models)
Follow these instructions when using a child-restraint system, unless you are attaching a LATCH-equipped childrestraint system to the rear LATCH lower anchors. Refer to “Using LATCH Lower Anchor”. NOTE Follow the child-restraint system manufacturer's instructions carefully. If you are no ...

Mazda 6 Service Manual: Opening and Closing the Trunk Lid
Opening the trunk lid Using the remote release button Push the remote release button. Using the electric trunk lid opener (With the advanced keyless function) A locked trunk lid can also be opened while the key is being carried. Press the electric trunk lid opener on the trunk lid, then rais ...