Saab 2008 9-5 User Manual download pdf (Page 171)

171Starting and driving

Driving technique

• To obtain the best running economy, not

only regarding fuel consumption but

general wear also, regular service is

required.

• High speed, unnecessary acceleration,

heavy braking and much low gear work all

gives rise to higher fuel consumption.

• Frequent gear changing in traffic, starting

in cold weather, the use of studded tires

and roof racks, and towing a trailer all

increase fuel consumption.

• Do not run the engine when the car is

stationary.

If idling, it will take much longer before the

engine becomes hot. Engine wear is

greatest during this warming-up phase.

Therefore drive away as soon as possible

after the engine is started and avoid high

revving.

• Driving in a low gear results in higher fuel

consumption than in a high gear because

of the higher engine speed for a given

road speed. Always change up to a higher

gear as soon as traffic conditions allow

and use the highest gear as much as

possible.

• Check the air pressure in the tires once a

month. Incorrect pressures increase tire

wear. It is better to have slightly higher

pressure than lower.

• Check fuel consumption regularly.

Increased consumption can indicate that

something is wrong and that the car

needs to be checked by a workshop. We

recommend that you contact an autho-

rized Saab dealer.

Practical trials on the roads have demon-

strated that substantial savings in fuel con-

sumption can be made if the above advice

is heeded.

Road conditions

Wet roads increase fuel consumption, as do

unpaved roads and driving in hilly country

(the amount of fuel saved driving downhill is

less than the additional amount required to

climb the hill).

WARNING

Never switch the engine off while driving

as the effect of the brakes and power

steering will be greatly reduced.

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