
Mazda 3 vehicles can be started in two ways - using a conventional key and an auxiliary key with a wearable "Advanced Key" card (Fig. 1)

Removing and installing the gearshift mechanism Mazda 3
Remove the battery, its tray, and the tray mounting bracket.
Remove the air filter element

Removing and installing oil pan Mazda 3
Stop the engine and wait until the engine and engine oil have cooled down.

Checking the variable valve timing actuator (L3) Mazda 3
The actuator for changing the valve timing is a precision assembly and cannot be disassembled.
Disconnect the negative battery cable