1. Verify that the joint shaft is not twisted or cracked.
2. Turn the joint shaft by hand and verify that the bearing rotates smoothly and freely.

Drive shaft
Joint shaft removal/installationMazda 6 Service Manual: Headlights
Turn the headlight switch to turn the headlights and other exterior lights on
or off. When the lights are turned on, the lights-on indicator light in the instrument
cluster turns on.
NOTE
If the light switch is left on, the lights will automatically switch
off approximately 30 seconds ...
Mazda 6 Service Manual: Control Switches
Temperature control dial
This dial controls temperature. Turn it clockwise for hot and counterclockwise
for cold.
NOTE
When the mode is set to or
with the fan control dial in a
position other than 0 and the temperature control dial in the maximum cold position,
the air intake selector sw ...