Vehicle Information Labels
Vehicle Identification Number
The vehicle identification number legally identifies your vehicle. The number is on a plate attached to the cowl panel located on the left corner of the dashboard. This plate can easily be seen through the windshield.

Motor Vehicle Safety Standard Label (U.S.A. and Canada)

Chassis Number
Open the cover shown in the figure to check the chassis number.

Vehicle Emission Control Information Label (U.S.A. and Canada)

Tire Pressure Label

Engine Number

Specifications
SpecificationsMazda 6 Owners Manual: Drive belt auto tensioner inspection
1. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
2. Verify that the drive belt auto tensioner moves smoothly in the
operational direction.
Replace the drive belt auto tensioner if necessary.
3. Turn the drive belt auto tensioner pulley by hand and verify that it
rotates smoothly ...
Mazda 6 Owners Manual: Front door lock actuator inspection
Door Lock Actuator
1. Disconnect the front door lock actuator connector.
2. Apply battery positive voltage to the front door lock actuator terminals
and inspect the operation of the front door lock actuator.
If not as specified, replace the front door lock actuator.
With double locking ...