Get Controls & instruments -> Heating & ventilation Guide for Land Rover Defender 90 SUV First Generation (1990-2016)

Heating & ventilation

Fresh air vents

To open the two vents in the windscreen

frame, push the lever to the right and then

downwards to the desired position and

release.

The temperature of air supplied to the fresh air

vents is not controlled by the heater.

NOTE: For vehicles fitted with an air conditioning system, the location and operation of air vents is

described on a later page (see ’Air conditioning’).

Heating & ventilation

HEATER CONTROLS

NOTE: For vehicles fitted with an air

conditioning system, the heater controls are

described on a later page (see ’Air

conditioning’).

1. Temperature control

Move the lever downwards (towards the

RED segment) to increase air temperature,

or upwards (towards the BLUE segment)

to reduce air temperature.

2. Air distribution control

• Lever fully up - windscreen vents only.

• Lever midway - foot level and windscreen

vents.

• Lever fully down - foot level vents (also

provides some air to the windscreen).

3. Fan speed control

• Lever at position ’0’ - no air will enter the

vehicle through the blower vents.

• Lever between positions ’0’ and’1’ -

progressively more air will enter the

vehicle, depending solely on the ram effect

of the vehicle moving through the air.

• Lever between positions ’1’ and ’2’ - the

fan will operate and progressively increase

in speed.

Heating & ventilation

USING YOUR HEATER

Ensure the front grille and the air intake grille

on the front wing are kept clear of

obstructions (especially snow and ice).

The following examples of basic heater

settings are intended as a general guide; the

air distribution, temperature and blower

controls can then be further adjusted to suit

your comfort requirements.

Always remember that full heating is not

available until the engine has reached its

normal operating temperature.

Maximum heating

• Temperature control - fully down.

• Distribution control - midway.

• Fan speed control - fully down.

• Fresh air vents - fully closed.

Demisting and defrosting

• Temperature control - fully down.

• Distribution control - fully up.

• Fan speed control - fully down.

• Fresh air vents - fully open for demisting

(closed for defrosting).

• Opening a window may improve

ventilation.

Maximum ventilation

• Temperature control - fully up.

• Distribution control - fully down.

• Fan speed control - fully down.

• Fresh air vents - fully open.

Controls & instruments -> Heating & ventilation for Your Land Rover Defender 90 SUV First Generation (1990-2016)

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