See also:

Engine serial number
The number is stamped on the engine as shown. ...

Instrument brightness control
The instrument cluster illuminates when the ignition switch is in the ON position. The instrument brightness control operates when the headlight control switch is in the AUTO, or position. ...

Vacuum assisted brakes
The brake booster aids braking by using engine vacuum. If the engine stops, you can stop the vehicle by depressing the brake pedal. However, greater foot pressure on the brake pedal will be re ...