Bottle holders are on the inside of the doors.

CAUTION
Do not use the bottle holders for containers without caps. The contents may spill when the door is opened or closed.
Cup Holder
Storage CompartmentsMazda 6 Owners Manual: Meters and Gauges
Instrument Cluster Type A
Type B
Steering Switch
1 - Speedometer 2 - Odometer, Trip Meter and Trip Meter Selector 3 - Tachometer
4 - Dashboard Illumination 5 - Trip Computer and INFO Switch 6 - Engine Coolant
Temperature Gauge 7 - Fuel Gauge 8 - Outside Temperature Display 9 - Cruise
...
Mazda 6 Owners Manual: Pre-delivery inspection
PRE-DELIVERY INSPECTION TABLE EXTERIOR
INSPECT and ADJUST, if necessary, the following items to
specification:
- Glass, exterior bright metal and paint for damage
- All weatherstrips for damage or detachment
- Door operation and alignment including side door and back door
- Wheel lug nu ...