Reduced Engine Power Light; Daytime Running Lamps Indicator Light; Tow/Haul Mode Light - GMC 2004 Savana Van Owner's Manual

Reduced Engine Power Light

If the reduced engine power light is on, but there is no
reduction in performance, proceed to your destination.
The performance may be reduced the next time
the vehicle is driven. The vehicle may be driven at a
reduced speed while the reduced engine power light is
on, but acceleration and speed may be reduced.
Anytime the check engine light stays on, the vehicle
should be taken to an authorized GM dealer as soon as
possible for service.
3-40
If the check engine and
reduced engine power
lights are on, the throttle
may be disabled, and
a noticeable reduction in
the vehicle's performance
may occur.
Daytime Running Lamps
Indicator Light

Tow/Haul Mode Light

For more information, see "Tow/Haul Mode" in Towing a
Trailer on page 4-37.
You have this light on the
instrument panel. It will
light whenever the DRL are
on. It is also a reminder
to turn on your headlamps
when driving at night.
This message is displayed
when the tow/haul mode
has been activated.