Mazda 1978 GLC Instructions; Maintenance And Servicing page 41

ROCKING THE CAR
If it is necessary to rock the car to free it from
snow, sand or mud, move the selector lever on auto-
matic transmission models from "0" to "R" in a repeat
pattern while depressing gently on the accelerator.
(On manual transmission models, move the gearshift
lever from first to reverse gear,) Do not race the
engine.
If you are still
stuck after a minute or two
of rocking, have the car pulled out to avoid overheating
and possible damage to the transmission.
Caution:
Do not spin the rear wheels excessively as this may
5-3
JACKING INSTRUCTIONS
AND CHANGING A WHEEL
Caution:
1. Follow jacking instructions carefully - incorrect
procedures could result in a serious or fatal accident.
2. Never get beneath the vehicle when
it
is supported
only by the jack. Use safety stands under the
vehicle frame if under-carriage work or inspection
is necessary.
3.
The jack is designed for use only 'Nhen changing
wheels. The jacking weight do not exceed maximum
permissible load
(3/4
ton, 750 kg!.
4. Do not start or run the engine while vehicle is
on the jack.
To change a wheel, follow these steps:
1. Be sure the vehicle is on firm, level ground.
2. Set the parking brake.
3. Shift the transmission to
reverse~,
(automatic trans-
mission in parks,)
4. If stopped in a hazardous location, turn on the
hazard warning flasher and leave it on until the
vehicle is completely ready to drive again.