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Troubleshooting poor transmitting range – Autostart AS-1820 FM User Manual

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User Guide

AS-1820 FM

Remote Trunk Release
If your system was installed with the Remote Trunk Release option, you can open your trunk by
pressing the

TRUNK

button for 3 seconds on the remote transmitter or by pressing the

TRUNK

button

TWICE

within 3 seconds.

Engine Run Time
If you have a gas engine, your Remote Car Starter can be programmed to run the engine for 4, 15,
or 25 minutes (15 minutes by default). If you have a diesel engine, the Remote Car Starter can be
programmed to run the engine for 9, 20, or 30 minutes (20 minutes default).

Multi-car Operation
This option allows the owner of two vehicles, both equipped with the same Remote Car Starter
model, to control both systems with a single remote control. To control the second vehicle,
simultaneously press the

TRUNK

button and the button of the function you wish to use.

Note: Your remote control must be configured for second car operation by the installer.

• Press

TRUNK

+

LOCK

button simultaneously: ....

LOCK

• Press

TRUNK

+

UNLOCK

: .....................................

UNLOCK

• Press

TRUNK

+

START/STOP

: ...............................

START/STOP

• Press

TRUNK

+

LOCK

+

UNLOCK

: .........................

AUX 3 (TRUNK)

• Press

TRUNK

+

START/STOP

for 3 sec: ................Cold Weather Mode

Troubleshooting Poor Transmitting Range

Many factors may affect the operating range of the transmitter. Some of these are:

• The condition of the battery in the transmitter.

• The operating environment (for example: downtown radio-frequency noise, airports, cellular

phone towers…)

• Metal: any type of metal will affect operating range. This includes the metal in the car.

• The shape of the vehicle can affect range as well; vans in general have an especially poor

range.

• The shape of the roof and A-pillars brings about considerable radio-frequency deflection (in

this case the signal from the remote control). As a result, the direction in which the vehicle is
facing in relation to the remote control can affect the range. Straight on – standing in front of
the vehicle – generally gives you the greatest range; the second best performance is from the
back. Using the remote control from either side of the vehicle will usually give the lowest
range.

• The range will be significantly lower in a crowded parking lot than in open space.

• Always hold the transmitter high, approximately at shoulder height. Holding the transmitter

against your chin will also increase your range: your head acts as an antenna.

• The operating range will be somewhat lower on vehicles equipped with an aftermarket or

factory alarm.