Upshifting
For normal acceleration and cruising, Mazda recommends these shift points:

*1 Always observe local speed limit regulations.
Downshifting
When you must slow down in heavy traffic or on a steep upgrade, downshift before the engine starts to overwork. This gives better acceleration when you need more speed.
On a steep downgrade, downshifting helps maintain safe speed and prolongs brake life.
Shift Gear (Shifting) Speed Limit
Direct ModeMazda 6 Owners Manual: Bright-Metal Maintenance
Use tar remover to remove road tar and insects. Never do this with a knife
or similar tool.
To prevent corrosion on brightmetal surfaces, apply wax or chrome preservative
and rub it to a high luster.
During cold weather or in coastal areas, cover bright-metal parts with a
coating of ...
Mazda 6 Owners Manual: Condenser removal/installation
4SD
1. Disconnect the negative battery cable.
2. Remove the rear package trim.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
5HB
1. Disconnect the negative battery cable.
2. Remove the liftgate lower trim.
3. Remove in the order indicated in t ...