Seat Belt Warning System
USA models have a warning system. If the seat is occupied, the weight switch sounds a buzzer unless the belt is fastened.
USA 1972 Owners manual (see pages 9 for warning system):
The buzzer is located under the dash. Here is a 1971 dash showing where it bolts:
Variations
Early USA models came with either 2-point (lap-belt only) or 3-point (lap + shoulder) belts. Both front and rear belts are standard equipment.
- All 1972 models use 3-point belts
- From 0172, retractor system was used front and rear
- Rear set had 2-point belts
- Rear Optional was 3-point belts