Carson Pistol grip RC 2.4 GHz No. of channels: 3 500500037 User Manual

The ratio of throttle operation to break/revers 
operation can be switched in two steps, either 50:50 
or 70:30. The last is to be used preferably for gas 
powered cars or races.

1.  Remove the battery compartment cover.

2.  Replace the used batteries with new AA 

size batteries.

Please replace batteries when the power 
 indicator blinks or the buzzer beeps.